diff --git a/packages/core/src/shared/numfmt.ts b/packages/core/src/shared/numfmt.ts
index 36af2c48efdd..0159669825a0 100644
--- a/packages/core/src/shared/numfmt.ts
+++ b/packages/core/src/shared/numfmt.ts
@@ -15,6 +15,8 @@
  */
 
 // @ts-ignore
-import numfmt from 'numfmt';
+import _numfmt from 'numfmt';
+import type { INumfmt } from './types/numfmt.type';
 
+const numfmt = _numfmt as INumfmt;
 export { numfmt };
diff --git a/packages/core/src/shared/types/numfmt.type.ts b/packages/core/src/shared/types/numfmt.type.ts
new file mode 100644
index 000000000000..0109be331a91
--- /dev/null
+++ b/packages/core/src/shared/types/numfmt.type.ts
@@ -0,0 +1,303 @@
+/**
+ * Copyright 2023-present DreamNum Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+type FormatType =
+    | 'currency'
+    | 'date'
+    | 'datetime'
+    | 'error'
+    | 'fraction'
+    | 'general'
+    | 'grouped'
+    | 'number'
+    | 'percent'
+    | 'scientific'
+    | 'text'
+    | 'time';
+
+/**
+ * An arbirarty number that represents the format's specificity if you want to compare one to another. Integer comparisons roughly match Excel's resolutions when it determines which format wins out.
+ *
+ * text: 15
+ * datetime: 10.8
+ * date: 10.8
+ * time: 10.8
+ * percent: 10.6
+ * currency: 10.4
+ * grouped: 10.2
+ * scientific: 6
+ * number: 4
+ * fraction: 2
+ * general: 0
+ * error: 0
+ */
+type Level = 15 | 10.8 | 10.6 | 10.4 | 10.2 | 6 | 4 | 2 | 0;
+
+interface Info {
+    type: FormatType;
+
+    /**
+     * Correspond to the output from same named functions found on the formatters.
+     */
+    isDate: boolean;
+    isText: boolean;
+    isPercent: boolean;
+
+    /** The maximum number of decimals this format will emit. */
+    maxDecimals: number;
+
+    /**
+     * 1 if the format uses color on the negative portion of the string, else a 0. This replicates Excel's CELL("color") functionality.
+     */
+    color: 0 | 1;
+
+    /**
+     * 1 if the positive portion of the number format contains an open parenthesis, else a 0. This is replicates Excel's CELL("parentheses") functionality.
+     */
+    parentheses: 0 | 1;
+
+    /**
+     * 1 if the positive portion of the format uses a thousands separator, else a 0.
+     */
+    grouped: 1;
+    /**
+     * Corresponds to Excel's CELL("format") functionality. It is should match Excel's quirky behaviour fairly well.
+     */
+    code: string;
+    /**
+     * The multiplier used when formatting the number (100 for percentages).
+     */
+    scale: 1;
+
+    /**
+     * An arbirarty number that represents the format's specificity if you want to compare one to another. Integer comparisons roughly match Excel's resolutions when it determines which format wins out.
+     */
+    level: Level;
+    _partitions: Array<{
+        color: string;
+        tokens: Array<{ type: 'num'; num: string } | { type: 'point'; value: string } | { type: 'frac'; num: string }>;
+    }>;
+}
+
+interface DateInfo {
+    /** If any `y` or `b` operator was found in the pattern. */
+    year: boolean;
+
+    /** If any `m` operator was found in the pattern. */
+    month: boolean;
+
+    /** If any `d` operator was found in the pattern (including ones that emit weekday). */
+    day: boolean;
+
+    /** If any `h` operator was found in the pattern. */
+    hours: boolean;
+
+    /** If any `:m` operator was found in the pattern. */
+    minutes: boolean;
+    /** If any `s` operator was found in the pattern. */
+    seconds: boolean;
+
+    /** Will be set to `12` if AM/PM operators are being used in the formatting string, else it will be set to `24`. */
+    clockType: 24 | 12;
+}
+
+interface Options {
+    /**
+     * A [BCP 47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) string tag. Locale default is english with a \u00a0 grouping symbol
+     *
+     * @default ""
+     */
+    locale: LocaleTag;
+
+    /**
+     * Should the formatter throw an error if a provided pattern is invalid. If not, a formatter will be constructed which only ever outputs an error string (see invalid in this table).
+     * @default true
+     */
+    throws: boolean;
+
+    /**
+     * The string emitted when no-throw mode fails to parse a pattern.
+     * @default "######"
+     */
+    invalid: string;
+
+    /**
+     * By default the formatters will emit [non-breaking-space](https://en.wikipedia.org/wiki/Non-breaking_space) rather than a regular space when emitting the formatted number. Setting this to false will make it use regular spaces instead.
+     * @default true
+     */
+    nbsp: boolean;
+
+    /**
+     * Simulate the Lotus 1-2-3 [1900 leap year bug](https://docs.microsoft.com/en-us/office/troubleshoot/excel/wrongly-assumes-1900-is-leap-year). It is a requirement in the Ecma OOXML specification so it is on by default.
+     *
+     * @default false
+     */
+    leap1900: boolean;
+
+    /**
+     * Should the formatter throw an error when trying to format a date that is out of bounds?
+     *
+     * @default false
+     */
+    dateErrorThrows: boolean;
+
+    /**
+     * Should the formatter switch to a General number format when trying to format a date that is out of bounds?
+     * @default true
+     */
+    dateErrorNumber: boolean;
+
+    /**
+     * The string emitted when a formatter fails to format a date that is out of bounds.
+     * @default "######"
+     */
+    overflow: string;
+
+    /**
+     * Extends the allowed range of dates from Excel bounds (1900–9999) to Google Sheet bounds (0–99999).
+     * @default true
+     */
+    dateSpanLarge: boolean;
+
+    /**
+     * Normally when date objects are used with the formatter, time zone is taken into account. This makes the formatter ignore the timezone offset.
+     * @default false
+     */
+    ignoreTimezone: boolean;
+
+    /**
+     * when using the numfmt.parseDate, numfmt.parseValue and numfmt.dateFromSerial functions, the output will be a Date object.
+     * @default false
+     */
+    nativeDate: boolean;
+}
+
+interface LocaleData {
+    // non-breaking space
+    group: string;
+    decimal: string;
+    positive: string;
+    negative: string;
+    percent: string;
+    exponent: string;
+    nan: string;
+    infinity: string;
+    ampm: [string, string];
+
+    // gregorian calendar
+    mmmm: string[];
+    mmm: string[];
+    dddd: string[];
+    ddd: string[];
+
+    // islamic calendar
+    mmmm6: string[];
+    mmm6: string[];
+}
+
+interface Formatter {
+    isDate(): boolean;
+    isPercent(): boolean;
+    isText(): boolean;
+    color(value: number): string;
+    info: Info;
+    dateInfo: DateInfo;
+    (value: number): string;
+}
+
+type LocaleTag =
+    | 'zh-CN'
+    | 'zh'
+    | 'zh-TW'
+    | 'cs'
+    | 'da'
+    | 'nl'
+    | 'en'
+    | 'fi'
+    | 'fr'
+    | 'de'
+    | 'el'
+    | 'hu'
+    | 'is'
+    | 'id'
+    | 'it'
+    | 'ja'
+    | 'ko'
+    | 'nb'
+    | 'pl'
+    | 'pt'
+    | 'ru'
+    | 'sk'
+    | 'es'
+    | 'sv'
+    | 'th'
+    | 'tr';
+
+export interface ParsedReturnType {
+    /**
+     * The parsed value. For dates, this will be an Excel style serial date unless the nativeDate option is used.
+     */
+    v: number | string | boolean | Date;
+    /**
+     * (Optionally) the number format string of the input. This property will not be present if it amounts to the General format.
+     */
+    z?: string;
+}
+
+type _Year = number;
+type _MonthIndex = number;
+type _Date = number | undefined;
+type _Hours = number | undefined;
+type _Minutes = number | undefined;
+type _Seconds = number | undefined;
+type _Ms = number | undefined;
+type DateValue = [_Year, _MonthIndex, _Date, _Hours, _Minutes, _Seconds, _Ms];
+
+type ParseValue = number | boolean | DateValue | Date | null;
+
+export interface INumfmt {
+    (value: string, opt?: Options): Formatter;
+
+    format(pattern: string, value: ParseValue, opt?: Partial<Options>): string;
+
+    round(value: number, places?: number): number;
+
+    /**
+     * @internal
+     */
+    parseLocale(tag: LocaleTag): void;
+    getLocale(tag: LocaleTag): LocaleData | null;
+
+    addLocale(data: Partial<LocaleData>, tag: LocaleTag): void;
+
+    isDate(format: string): boolean;
+    isPercent(format: string): boolean;
+    isText(format: string): boolean;
+
+    getInfo(format: string): Info;
+
+    parseValue(value: string, op?: Options): ParsedReturnType;
+    parseNumber(value: string, op?: Options): ParsedReturnType;
+    parseDate(value: string, op?: Options): ParsedReturnType;
+    parseTime(value: string, op?: Options): ParsedReturnType;
+    parseBool(value: string, op?: Options): ParsedReturnType;
+
+    dateToSerial(value: Date | [number, number, number], opt?: Options): number | string;
+
+    dateFromSerial(value: number, opt?: Options): Date;
+
+    options(op: Partial<Options>): void;
+}