diff --git a/sync/src/relayer/mod.rs b/sync/src/relayer/mod.rs
index 80c5695290..bfcdc28dfa 100644
--- a/sync/src/relayer/mod.rs
+++ b/sync/src/relayer/mod.rs
@@ -21,7 +21,7 @@ use self::get_transactions_process::GetTransactionsProcess;
 use self::transaction_hashes_process::TransactionHashesProcess;
 use self::transactions_process::TransactionsProcess;
 use crate::block_status::BlockStatus;
-use crate::types::{ActiveChain, BlockNumberAndHash, SyncShared};
+use crate::types::{ActiveChain, SyncShared};
 use crate::utils::{
     is_internal_db_error, metric_ckb_message_bytes, send_message_to, MetricDirection,
 };
@@ -35,6 +35,7 @@ use ckb_network::{
 };
 use ckb_systemtime::unix_time_as_millis;
 use ckb_tx_pool::service::TxVerificationResult;
+use ckb_types::BlockNumberAndHash;
 use ckb_types::{
     core::{self, BlockView},
     packed::{self, Byte32, ProposalShortId},
diff --git a/sync/src/synchronizer/block_fetcher.rs b/sync/src/synchronizer/block_fetcher.rs
index 5ba4fcee8e..d7c1094864 100644
--- a/sync/src/synchronizer/block_fetcher.rs
+++ b/sync/src/synchronizer/block_fetcher.rs
@@ -1,5 +1,5 @@
 use crate::block_status::BlockStatus;
-use crate::types::{ActiveChain, BlockNumberAndHash, HeaderIndex, HeaderIndexView, IBDState};
+use crate::types::{ActiveChain, HeaderIndex, HeaderIndexView, IBDState};
 use crate::SyncShared;
 use ckb_constant::sync::{
     BLOCK_DOWNLOAD_WINDOW, CHECK_POINT_WINDOW, INIT_BLOCKS_IN_TRANSIT_PER_PEER,
@@ -9,6 +9,7 @@ use ckb_logger::{debug, trace};
 use ckb_network::PeerIndex;
 use ckb_systemtime::unix_time_as_millis;
 use ckb_types::packed;
+use ckb_types::BlockNumberAndHash;
 use std::cmp::min;
 use std::sync::Arc;
 
diff --git a/sync/src/tests/inflight_blocks.rs b/sync/src/tests/inflight_blocks.rs
index 46e6f45437..4511a85821 100644
--- a/sync/src/tests/inflight_blocks.rs
+++ b/sync/src/tests/inflight_blocks.rs
@@ -1,7 +1,8 @@
-use crate::types::{BlockNumberAndHash, InflightBlocks};
+use crate::types::InflightBlocks;
 use ckb_constant::sync::BLOCK_DOWNLOAD_TIMEOUT;
 use ckb_types::h256;
 use ckb_types::prelude::*;
+use ckb_types::BlockNumberAndHash;
 use std::collections::HashSet;
 
 #[test]
diff --git a/sync/src/types/mod.rs b/sync/src/types/mod.rs
index c444f870fa..e634c5f838 100644
--- a/sync/src/types/mod.rs
+++ b/sync/src/types/mod.rs
@@ -21,6 +21,7 @@ use ckb_store::{ChainDB, ChainStore};
 use ckb_systemtime::unix_time_as_millis;
 use ckb_traits::{HeaderFields, HeaderFieldsProvider};
 use ckb_tx_pool::service::TxVerificationResult;
+use ckb_types::BlockNumberAndHash;
 use ckb_types::{
     core::{self, BlockNumber, EpochExt},
     packed::{self, Byte32},
@@ -402,53 +403,6 @@ impl InflightState {
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-pub struct BlockNumberAndHash {
-    pub number: BlockNumber,
-    pub hash: Byte32,
-}
-
-impl BlockNumberAndHash {
-    pub fn new(number: BlockNumber, hash: Byte32) -> Self {
-        Self { number, hash }
-    }
-
-    pub fn number(&self) -> BlockNumber {
-        self.number
-    }
-
-    pub fn hash(&self) -> Byte32 {
-        self.hash.clone()
-    }
-}
-
-impl From<(BlockNumber, Byte32)> for BlockNumberAndHash {
-    fn from(inner: (BlockNumber, Byte32)) -> Self {
-        Self {
-            number: inner.0,
-            hash: inner.1,
-        }
-    }
-}
-
-impl From<&core::HeaderView> for BlockNumberAndHash {
-    fn from(header: &core::HeaderView) -> Self {
-        Self {
-            number: header.number(),
-            hash: header.hash(),
-        }
-    }
-}
-
-impl From<core::HeaderView> for BlockNumberAndHash {
-    fn from(header: core::HeaderView) -> Self {
-        Self {
-            number: header.number(),
-            hash: header.hash(),
-        }
-    }
-}
-
 enum TimeQuantile {
     MinToFast,
     FastToNormal,
diff --git a/util/types/src/block_number_and_hash.rs b/util/types/src/block_number_and_hash.rs
new file mode 100644
index 0000000000..81097539d0
--- /dev/null
+++ b/util/types/src/block_number_and_hash.rs
@@ -0,0 +1,54 @@
+//! Block Number and Hash struct
+use crate::core::BlockNumber;
+use ckb_gen_types::packed::Byte32;
+
+/// Block Number And Hash struct
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub struct BlockNumberAndHash {
+    /// Block Number
+    pub number: BlockNumber,
+    /// Block Hash
+    pub hash: Byte32,
+}
+
+impl BlockNumberAndHash {
+    /// Create new BlockNumberAndHash
+    pub fn new(number: BlockNumber, hash: Byte32) -> Self {
+        Self { number, hash }
+    }
+    /// Return BlockNumber
+    pub fn number(&self) -> BlockNumber {
+        self.number
+    }
+    /// Return Hash
+    pub fn hash(&self) -> Byte32 {
+        self.hash.clone()
+    }
+}
+
+impl From<(BlockNumber, Byte32)> for BlockNumberAndHash {
+    fn from(inner: (BlockNumber, Byte32)) -> Self {
+        Self {
+            number: inner.0,
+            hash: inner.1,
+        }
+    }
+}
+
+impl From<&crate::core::HeaderView> for BlockNumberAndHash {
+    fn from(header: &crate::core::HeaderView) -> Self {
+        Self {
+            number: header.number(),
+            hash: header.hash(),
+        }
+    }
+}
+
+impl From<crate::core::HeaderView> for BlockNumberAndHash {
+    fn from(header: crate::core::HeaderView) -> Self {
+        Self {
+            number: header.number(),
+            hash: header.hash(),
+        }
+    }
+}
diff --git a/util/types/src/lib.rs b/util/types/src/lib.rs
index 6b559dd614..4fcbd9fe2a 100644
--- a/util/types/src/lib.rs
+++ b/util/types/src/lib.rs
@@ -4,12 +4,12 @@
 
 pub mod prelude;
 
+pub use block_number_and_hash::BlockNumberAndHash;
 pub use bytes;
 pub use ckb_fixed_hash::{h160, h256, H160, H256};
 pub use ckb_gen_types::packed;
 pub use molecule::{self, error};
 pub use numext_fixed_uint::{u256, U128, U256};
-
 pub mod core;
 pub mod global;
 
@@ -18,5 +18,6 @@ mod conversion;
 mod extension;
 pub mod utilities;
 
+mod block_number_and_hash;
 #[cfg(test)]
 mod tests;