diff --git a/distsql/select_result.go b/distsql/select_result.go
index 5c4b83560787b..300996fddf517 100644
--- a/distsql/select_result.go
+++ b/distsql/select_result.go
@@ -326,6 +326,7 @@ type selectResultRuntimeStats struct {
 	totalProcessTime time.Duration
 	totalWaitTime    time.Duration
 	rpcStat          tikv.RegionRequestRuntimeStats
+	CoprCacheHitNum  int64
 }
 
 func (s *selectResultRuntimeStats) mergeCopRuntimeStats(copStats *tikv.CopRuntimeStats, respTime time.Duration) {
@@ -338,6 +339,9 @@ func (s *selectResultRuntimeStats) mergeCopRuntimeStats(copStats *tikv.CopRuntim
 	s.totalProcessTime += copStats.ProcessTime
 	s.totalWaitTime += copStats.WaitTime
 	s.rpcStat.Merge(copStats.RegionRequestRuntimeStats)
+	if copStats.CoprCacheHit {
+		s.CoprCacheHitNum++
+	}
 }
 
 func (s *selectResultRuntimeStats) String() string {
@@ -391,6 +395,8 @@ func (s *selectResultRuntimeStats) String() string {
 		buf.WriteString(strconv.FormatInt(copRPC.Count, 10))
 		buf.WriteString(", rpc_time: ")
 		buf.WriteString(time.Duration(copRPC.Consume).String())
+		buf.WriteString(fmt.Sprintf(", copr_cache_hit_ratio: %v",
+			strconv.FormatFloat(float64(s.CoprCacheHitNum)/float64(len(s.copRespTime)), 'f', 2, 64)))
 	}
 	buf.WriteString("}")
 
diff --git a/planner/core/cbo_test.go b/planner/core/cbo_test.go
index 42e85aa568880..2bd17ee0dbfcc 100644
--- a/planner/core/cbo_test.go
+++ b/planner/core/cbo_test.go
@@ -98,6 +98,9 @@ func (s *testAnalyzeSuite) TestExplainAnalyze(c *C) {
 		execInfo := row[5].(string)
 		c.Assert(strings.Contains(execInfo, "time"), Equals, true)
 		c.Assert(strings.Contains(execInfo, "loops"), Equals, true)
+		if strings.Contains(row[0].(string), "Reader") || strings.Contains(row[0].(string), "IndexLookUp") {
+			c.Assert(strings.Contains(execInfo, "copr_cache_hit_ratio"), Equals, true)
+		}
 	}
 }
 
diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go
index 69e3d18a3cb11..c00b6416b7f6f 100644
--- a/store/tikv/coprocessor.go
+++ b/store/tikv/coprocessor.go
@@ -1056,6 +1056,7 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon
 		data := make([]byte, len(cacheValue.Data))
 		copy(data, cacheValue.Data)
 		resp.pbResp.Data = data
+		resp.detail.CoprCacheHit = true
 	} else {
 		// Cache not hit or cache hit but not valid: update the cache if the response can be cached.
 		if cacheKey != nil && resp.pbResp.CanBeCached && resp.pbResp.CacheLastVersion > 0 {
@@ -1081,6 +1082,8 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon
 type CopRuntimeStats struct {
 	execdetails.ExecDetails
 	RegionRequestRuntimeStats
+
+	CoprCacheHit bool
 }
 
 func (worker *copIteratorWorker) handleTiDBSendReqErr(err error, task *copTask, ch chan<- *copResponse) error {