diff --git a/consensus/beacon/validator_status.go b/consensus/beacon/validator_status.go
new file mode 100644
index 0000000..f7f20e9
--- /dev/null
+++ b/consensus/beacon/validator_status.go
@@ -0,0 +1,55 @@
+// description:
+// @author renshiwei
+// Date: 2023/6/30
+
+package beacon
+
+import (
+	"context"
+	consensusApi "github.com/attestantio/go-eth2-client/api/v1"
+	"github.com/attestantio/go-eth2-client/spec/phase0"
+	"github.com/duktig666/ethsuper/eth1"
+	"github.com/pkg/errors"
+	"math/big"
+	"strconv"
+)
+
+// ValidatorIsFullExited Whether the validator has completed the lifecycle of the exit
+func ValidatorIsFullExited(validator *consensusApi.Validator) bool {
+	return validator.Status == consensusApi.ValidatorStateWithdrawalDone
+}
+
+// ValidatorIsRequestExiting Whether the validator request the exit
+func ValidatorIsRequestExiting(validator *consensusApi.Validator) bool {
+	return validator.Status == consensusApi.ValidatorStateActiveExiting ||
+		validator.Status == consensusApi.ValidatorStateActiveSlashed ||
+		validator.Status == consensusApi.ValidatorStateExitedUnslashed ||
+		validator.Status == consensusApi.ValidatorStateExitedSlashed ||
+		validator.Status == consensusApi.ValidatorStateWithdrawalPossible ||
+		validator.Status == consensusApi.ValidatorStateWithdrawalDone
+}
+
+// ValidatorSlashedAmount 32ETh - ValidatorWithdrawAbleBalance
+func (b *BeaconService) ValidatorSlashedAmount(ctx context.Context, validator *consensusApi.Validator) (*big.Int, error) {
+	if !validator.Validator.Slashed {
+		return nil, errors.New("validator not slashed.")
+	}
+
+	pubkey := validator.Validator.PublicKey.String()
+
+	withdrawAbleSlot := epochToSlot(validator.Validator.WithdrawableEpoch)
+	pubkeys := make([]string, 1)
+	pubkeys[0] = pubkey
+	slashedValidator, err := b.ValidatorsByPubKey(ctx, strconv.FormatInt(int64(withdrawAbleSlot), 10), pubkeys)
+	if err != nil {
+		return nil, errors.Wrap(err, "Failed to get validators info.")
+	}
+
+	slashAmount := new(big.Int).Sub(eth1.ETH32().BigInt(), eth1.GweiToWei(slashedValidator[pubkey].Balance))
+
+	return slashAmount, nil
+}
+
+func epochToSlot(epoch phase0.Epoch) phase0.Slot {
+	return phase0.Slot(uint64(epoch) * 12)
+}
diff --git a/consensus/chaintime/service.go b/consensus/chaintime/service.go
index a1e3248..96b0c5c 100644
--- a/consensus/chaintime/service.go
+++ b/consensus/chaintime/service.go
@@ -42,6 +42,8 @@ type Service interface {
 	CurrentSyncCommitteePeriod() uint64
 	// SlotToEpoch provides the epoch of the given slot.
 	SlotToEpoch(slot phase0.Slot) phase0.Epoch
+	// EpochToSlot provides the slot of the given epoch.
+	EpochToSlot(epoch phase0.Epoch) phase0.Slot
 	// SlotToSyncCommitteePeriod provides the sync committee period of the given slot.
 	SlotToSyncCommitteePeriod(slot phase0.Slot) uint64
 	// FirstSlotOfEpoch provides the first slot of the given epoch.
diff --git a/consensus/chaintime/standard/service.go b/consensus/chaintime/standard/service.go
index 7c8b5c9..07c091a 100644
--- a/consensus/chaintime/standard/service.go
+++ b/consensus/chaintime/standard/service.go
@@ -168,6 +168,11 @@ func (s *Service) SlotToEpoch(slot phase0.Slot) phase0.Epoch {
 	return phase0.Epoch(uint64(slot) / s.slotsPerEpoch)
 }
 
+// EpochToSlot provides the slot of the given epoch.
+func (s *Service) EpochToSlot(epoch phase0.Epoch) phase0.Slot {
+	return phase0.Slot(uint64(epoch) * s.slotsPerEpoch)
+}
+
 // SlotToSyncCommitteePeriod provides the sync committee period of the given slot.
 func (s *Service) SlotToSyncCommitteePeriod(slot phase0.Slot) uint64 {
 	return uint64(s.SlotToEpoch(slot)) / s.epochsPerSyncCommitteePeriod
diff --git a/eth1/constants.go b/eth1/constants.go
index 1d3f6b4..a62e1af 100644
--- a/eth1/constants.go
+++ b/eth1/constants.go
@@ -18,6 +18,7 @@
 package eth1
 
 import (
+	"github.com/attestantio/go-eth2-client/spec/phase0"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/shopspring/decimal"
 	"math/big"
@@ -42,3 +43,11 @@ func ETH32() decimal.Decimal {
 	eth32, _ := decimal.NewFromString("32000000000000000000")
 	return eth32
 }
+
+func GweiToWei(gwei phase0.Gwei) *big.Int {
+	return new(big.Int).Mul(big.NewInt(int64(gwei)), big.NewInt(params.GWei))
+}
+
+func ETH(eth int64) *big.Int {
+	return new(big.Int).Mul(big.NewInt(params.Ether), big.NewInt(eth))
+}