diff --git a/services/bluetooth/external/BUILD.gn b/services/bluetooth/external/BUILD.gn
index 7b78d8dc46a4d2f21d15befc47d4d2e81dfc8bfe..08b7b1ccf6c75f9e150c48e0ead402f36349b5df 100644
--- a/services/bluetooth/external/BUILD.gn
+++ b/services/bluetooth/external/BUILD.gn
@@ -28,9 +28,11 @@ config("btdummy_public_config") {
 }
 
 ohos_shared_library("btdummy") {
-  # sanitize = {
-  #   cfi = true
-  # }
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
   stack_protector_ret = true
   configs = [ ":btdummy_config" ]
   public_configs = [ ":btdummy_public_config" ]
diff --git a/services/bluetooth/hardware/BUILD.gn b/services/bluetooth/hardware/BUILD.gn
index e9e62b3cf8d72504e6f8b7705a1b179a5bdbb4a8..ca8495bb397451da824db4ca7f591cae6e61deed 100644
--- a/services/bluetooth/hardware/BUILD.gn
+++ b/services/bluetooth/hardware/BUILD.gn
@@ -15,9 +15,11 @@ import("//build/ohos.gni")
 import("//drivers/hdf_core/adapter/uhdf2/uhdf.gni")
 
 ohos_shared_library("bluetooth_hdi_adapter") {
-  # sanitize = {
-  #   cfi = true
-  # }
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
   stack_protector_ret = true
   include_dirs = [
     "include",
diff --git a/services/bluetooth/ipc/BUILD.gn b/services/bluetooth/ipc/BUILD.gn
index 2758c0a0ee1e111c93fd57b7aff584e16423a66c..bc3ab0124c11c612c4046cb5f0d7e56a8252e420 100644
--- a/services/bluetooth/ipc/BUILD.gn
+++ b/services/bluetooth/ipc/BUILD.gn
@@ -22,10 +22,12 @@ config("btipc_public_config") {
 }
 
 ohos_static_library("btipc_service") {
-  # sanitize = {
-  #   cfi = true
-  #   blocklist = "./ipc_blocklist.txt"
-  # }
+  sanitize = {
+    cfi = true
+    blocklist = "./ipc_blocklist.txt"
+    cfi_cross_dso = true
+    debug = false
+  }
   stack_protector_ret = true
   public_configs = [ ":btipc_public_config" ]
   include_dirs = [
diff --git a/services/bluetooth/server/BUILD.gn b/services/bluetooth/server/BUILD.gn
index 95ca2e0bfec9387413d1b5446f16239fbf03d0ab..6c579ea48f2446a2b7880a1d89565adc50750101 100644
--- a/services/bluetooth/server/BUILD.gn
+++ b/services/bluetooth/server/BUILD.gn
@@ -19,10 +19,12 @@ SUBSYSTEM_DIR = "//foundation/communication"
 BT_ROOT = "//foundation/communication/bluetooth_service/services/bluetooth"
 
 ohos_shared_library("bluetooth_server") {
-  # sanitize = {
-  #   cfi = true
-  #   blocklist = "./bluetooth_server_blocklist.txt"
-  # }
+  sanitize = {
+    cfi = true
+    blocklist = "./bluetooth_server_blocklist.txt"
+    cfi_cross_dso = true
+    debug = false
+  }
   stack_protector_ret = true
   include_dirs = [
     "include",
diff --git a/services/bluetooth/service/BUILD.gn b/services/bluetooth/service/BUILD.gn
index b0d86e59b7dff46d01723fe29fe8f16d5c18b2f1..b07698ce14ef466e1666247dbe82e5bce951485c 100644
--- a/services/bluetooth/service/BUILD.gn
+++ b/services/bluetooth/service/BUILD.gn
@@ -449,9 +449,11 @@ ohos_shared_library("btservice") {
 
 SBC_CODEC_DIR = "$BT_SERVICE_DIR/src/gavdp/a2dp_codec/sbclib"
 ohos_shared_library("btsbc") {
-  # sanitize = {
-  #   cfi = true
-  # }
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
   stack_protector_ret = true
   sources = [
     "$SBC_CODEC_DIR/src/sbc_decoder.cpp",
diff --git a/services/bluetooth/stack/BUILD.gn b/services/bluetooth/stack/BUILD.gn
index b58d57293acb2bfb3d9c5ffba4a283284939e194..b057605ccfcd3381f06dacd42144967934d50cd0 100644
--- a/services/bluetooth/stack/BUILD.gn
+++ b/services/bluetooth/stack/BUILD.gn
@@ -212,10 +212,12 @@ config("btstack_config") {
 }
 
 ohos_shared_library("btstack") {
-  # sanitize = {
-  #   cfi = true
-  #   blocklist = "./btstack_blocklist.txt"
-  # }
+  sanitize = {
+    cfi = true
+    blocklist = "./btstack_blocklist.txt"
+    cfi_cross_dso = true
+    debug = false
+  }
   stack_protector_ret = true
   configs = [ ":btstack_config" ]
   public_configs = [ ":btstack_public_config" ]