diff --git a/rpc/src/module/net.rs b/rpc/src/module/net.rs
index de75699e68..855cefae7a 100644
--- a/rpc/src/module/net.rs
+++ b/rpc/src/module/net.rs
@@ -739,7 +739,7 @@ impl NetRpc for NetRpcImpl {
         let unverified_tip = shared.get_unverified_tip();
         let sync_state = SyncState {
             ibd: chain.is_initial_block_download(),
-            assume_valid_target_reached: shared.assume_valid_target().is_none(),
+            assume_valid_target_reached: shared.assume_valid_targets().is_none(),
             assume_valid_target: shared
                 .assume_valid_target_specified()
                 .as_ref()
diff --git a/shared/src/shared.rs b/shared/src/shared.rs
index 2939230a5f..8b523bfc83 100644
--- a/shared/src/shared.rs
+++ b/shared/src/shared.rs
@@ -62,7 +62,7 @@ pub struct Shared {
     pub(crate) async_handle: Handle,
     pub(crate) ibd_finished: Arc<AtomicBool>,
 
-    pub(crate) assume_valid_target: Arc<Mutex<Option<H256>>>,
+    pub(crate) assume_valid_targets: Arc<Mutex<Option<Vec<H256>>>>,
     pub(crate) assume_valid_target_specified: Arc<Option<H256>>,
 
     pub header_map: Arc<HeaderMap>,
@@ -83,7 +83,7 @@ impl Shared {
         async_handle: Handle,
         ibd_finished: Arc<AtomicBool>,
 
-        assume_valid_target: Arc<Mutex<Option<H256>>>,
+        assume_valid_targets: Arc<Mutex<Option<Vec<H256>>>>,
         assume_valid_target_specified: Arc<Option<H256>>,
         header_map: Arc<HeaderMap>,
         block_status_map: Arc<DashMap<Byte32, BlockStatus>>,
@@ -106,7 +106,7 @@ impl Shared {
             snapshot_mgr,
             async_handle,
             ibd_finished,
-            assume_valid_target,
+            assume_valid_targets,
             assume_valid_target_specified,
             header_map,
             block_status_map,
@@ -467,8 +467,8 @@ impl Shared {
         );
     }
 
-    pub fn assume_valid_target(&self) -> MutexGuard<Option<H256>> {
-        self.assume_valid_target.lock()
+    pub fn assume_valid_targets(&self) -> MutexGuard<Option<Vec<H256>>> {
+        self.assume_valid_targets.lock()
     }
 
     pub fn assume_valid_target_specified(&self) -> Arc<Option<H256>> {
diff --git a/shared/src/shared_builder.rs b/shared/src/shared_builder.rs
index 47f0a85e4e..72b0ce3343 100644
--- a/shared/src/shared_builder.rs
+++ b/shared/src/shared_builder.rs
@@ -25,6 +25,7 @@ use ckb_tx_pool::{
 };
 use ckb_types::core::hardfork::HardForks;
 use ckb_types::prelude::Pack;
+use ckb_types::H256;
 use ckb_types::{
     core::service::PoolTransactionEntry, core::tx_pool::Reject, core::EpochExt, core::HeaderView,
 };
@@ -352,10 +353,12 @@ impl SharedBuilder {
         sync_config: &SyncConfig,
         snapshot: &Snapshot,
     ) -> bool {
-        if let Some(ref target) = sync_config.assume_valid_target {
-            if snapshot.block_exists(&target.pack()) {
-                info!("assume valid target is already in db, CKB will do full verification from now on");
-                return true;
+        if let Some(ref target) = sync_config.assume_valid_targets {
+            if let Some(last_target) = target.last() {
+                if snapshot.block_exists(&last_target.pack()) {
+                    info!("assume valid target is already in db, CKB will do full verification from now on");
+                    return true;
+                }
             }
         }
         false
@@ -442,14 +445,19 @@ impl SharedBuilder {
 
         let block_status_map = Arc::new(DashMap::new());
 
-        let assume_valid_target = Arc::new(Mutex::new({
+        let assume_valid_targets = Arc::new(Mutex::new({
             if Self::check_assume_valid_target_already_exists(&sync_config, &snapshot) {
                 None
             } else {
-                sync_config.assume_valid_target.clone()
+                sync_config.assume_valid_targets.clone()
             }
         }));
-        let assume_valid_target_specified = Arc::new(sync_config.assume_valid_target);
+
+        let assume_valid_target_specified: Arc<Option<H256>> = Arc::new(
+            sync_config
+                .assume_valid_targets
+                .and_then(|targets| targets.last().cloned()),
+        );
 
         let shared = Shared::new(
             store,
@@ -460,7 +468,7 @@ impl SharedBuilder {
             snapshot_mgr,
             async_handle,
             ibd_finished,
-            assume_valid_target,
+            assume_valid_targets,
             assume_valid_target_specified,
             header_map,
             block_status_map,
diff --git a/util/app-config/src/configs/network.rs b/util/app-config/src/configs/network.rs
index 34eac57790..b29de05146 100644
--- a/util/app-config/src/configs/network.rs
+++ b/util/app-config/src/configs/network.rs
@@ -106,7 +106,7 @@ pub struct SyncConfig {
     pub header_map: HeaderMapConfig,
     /// Block hash of assume valid target
     #[serde(skip, default)]
-    pub assume_valid_target: Option<H256>,
+    pub assume_valid_targets: Option<Vec<H256>>,
     /// Proof of minimum work during synchronization
     #[serde(skip, default)]
     pub min_chain_work: U256,