diff --git a/src/main/java/org/tikv/common/ConfigUtils.java b/src/main/java/org/tikv/common/ConfigUtils.java
index f400242ef43..e8a368564a0 100644
--- a/src/main/java/org/tikv/common/ConfigUtils.java
+++ b/src/main/java/org/tikv/common/ConfigUtils.java
@@ -75,6 +75,7 @@ public class ConfigUtils {
       "tikv.rawkv.batch_write_slowlog_in_ms";
   public static final String TIKV_RAWKV_SCAN_SLOWLOG_IN_MS = "tikv.rawkv.scan_slowlog_in_ms";
 
+  public static final String TIFLASH_ENABLE = "tiflash.enable";
   public static final String DEF_PD_ADDRESSES = "127.0.0.1:2379";
   public static final String DEF_TIMEOUT = "200ms";
   public static final String DEF_FORWARD_TIMEOUT = "300ms";
@@ -132,4 +133,5 @@ public class ConfigUtils {
   public static final String LEADER = "LEADER";
   public static final String FOLLOWER = "FOLLOWER";
   public static final String LEADER_AND_FOLLOWER = "LEADER_AND_FOLLOWER";
+  public static final boolean DEF_TIFLASH_ENABLE = false;
 }
diff --git a/src/main/java/org/tikv/common/PDClient.java b/src/main/java/org/tikv/common/PDClient.java
index 3d2e7f4189c..47a7cb8244d 100644
--- a/src/main/java/org/tikv/common/PDClient.java
+++ b/src/main/java/org/tikv/common/PDClient.java
@@ -637,15 +637,16 @@ private void initCluster() {
         10,
         10,
         TimeUnit.SECONDS);
-    tiflashReplicaService =
-        Executors.newSingleThreadScheduledExecutor(
-            new ThreadFactoryBuilder()
-                .setNameFormat("PDClient-tiflash-replica-pool-%d")
-                .setDaemon(true)
-                .build());
-    tiflashReplicaService.scheduleAtFixedRate(
-        this::updateTiFlashReplicaStatus, 10, 10, TimeUnit.SECONDS);
-    logger.info("init cluster: finish");
+    if (conf.isTiFlashEnabled()) {
+      tiflashReplicaService =
+          Executors.newSingleThreadScheduledExecutor(
+              new ThreadFactoryBuilder()
+                  .setNameFormat("PDClient-tiflash-replica-pool-%d")
+                  .setDaemon(true)
+                  .build());
+      tiflashReplicaService.scheduleAtFixedRate(
+          this::updateTiFlashReplicaStatus, 10, 10, TimeUnit.SECONDS);
+    }
   }
 
   static class PDClientWrapper {
diff --git a/src/main/java/org/tikv/common/TiConfiguration.java b/src/main/java/org/tikv/common/TiConfiguration.java
index 54e96224017..9cdf5d24f76 100644
--- a/src/main/java/org/tikv/common/TiConfiguration.java
+++ b/src/main/java/org/tikv/common/TiConfiguration.java
@@ -120,6 +120,7 @@ private static void loadFromDefaultProperties() {
     setIfMissing(TIKV_RAWKV_CLEAN_TIMEOUT_IN_MS, DEF_TIKV_RAWKV_CLEAN_TIMEOUT_IN_MS);
     setIfMissing(TIKV_BO_REGION_MISS_BASE_IN_MS, DEF_TIKV_BO_REGION_MISS_BASE_IN_MS);
     setIfMissing(TIKV_RAWKV_SCAN_SLOWLOG_IN_MS, DEF_TIKV_RAWKV_SCAN_SLOWLOG_IN_MS);
+    setIfMissing(TIFLASH_ENABLE, DEF_TIFLASH_ENABLE);
   }
 
   public static void listAll() {
@@ -327,6 +328,7 @@ private static ReplicaRead getReplicaRead(String key) {
   private Optional<Integer> rawKVBatchWriteSlowLogInMS =
       getIntOption(TIKV_RAWKV_BATCH_WRITE_SLOWLOG_IN_MS);
   private int rawKVScanSlowLogInMS = getInt(TIKV_RAWKV_SCAN_SLOWLOG_IN_MS);
+  private boolean tiFlashEnable = getBoolean(TIFLASH_ENABLE);
 
   public enum KVMode {
     TXN,
diff --git a/src/test/java/org/tikv/common/TiConfigurationTest.java b/src/test/java/org/tikv/common/TiConfigurationTest.java
index 64512ba1e9d..95dea69c3d9 100644
--- a/src/test/java/org/tikv/common/TiConfigurationTest.java
+++ b/src/test/java/org/tikv/common/TiConfigurationTest.java
@@ -16,6 +16,7 @@
 package org.tikv.common;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 
 import org.junit.Test;
 
@@ -26,4 +27,10 @@ public void configFileTest() {
     TiConfiguration conf = TiConfiguration.createRawDefault();
     assertEquals("configFileTest", conf.getDBPrefix());
   }
+
+  @Test
+  public void tiFlashDefaultValueTest() {
+    TiConfiguration conf = TiConfiguration.createRawDefault();
+    assertFalse(conf.isTiFlashEnabled());
+  }
 }