diff --git a/pkg/keyspace/keyspace.go b/pkg/keyspace/keyspace.go
index 7bd8de7bc28..173b68ebe77 100644
--- a/pkg/keyspace/keyspace.go
+++ b/pkg/keyspace/keyspace.go
@@ -28,6 +28,7 @@ import (
 	"github.com/tikv/pd/pkg/slice"
 	"github.com/tikv/pd/pkg/storage/endpoint"
 	"github.com/tikv/pd/pkg/storage/kv"
+	"github.com/tikv/pd/pkg/utils/logutil"
 	"github.com/tikv/pd/pkg/utils/syncutil"
 	"go.uber.org/zap"
 )
@@ -262,7 +263,7 @@ func (manager *Manager) splitKeyspaceRegion(id uint32) error {
 		}
 		log.Info("[keyspace] added region label for keyspace",
 			zap.Uint32("keyspaceID", id),
-			zap.Any("LabelRule", keyspaceRule),
+			logutil.ZapRedactString("label-rule", keyspaceRule.String()),
 		)
 		return nil
 	}
diff --git a/pkg/schedule/labeler/rules.go b/pkg/schedule/labeler/rules.go
index c902fff8f66..423df25ff70 100644
--- a/pkg/schedule/labeler/rules.go
+++ b/pkg/schedule/labeler/rules.go
@@ -17,8 +17,10 @@ package labeler
 import (
 	"bytes"
 	"encoding/hex"
+	"encoding/json"
 	"fmt"
 	"reflect"
+	"strings"
 	"time"
 
 	"github.com/pingcap/failpoint"
@@ -37,6 +39,10 @@ type RegionLabel struct {
 	expire  *time.Time
 }
 
+func (l *RegionLabel) String() string {
+	return fmt.Sprintf("key: %s, value: %s", l.Key, l.Value)
+}
+
 // LabelRule is the rule to assign labels to a region.
 // NOTE: This type is exported by HTTP API. Please pay more attention when modifying it.
 type LabelRule struct {
@@ -48,6 +54,47 @@ type LabelRule struct {
 	minExpire *time.Time
 }
 
+func (rule *LabelRule) String() string {
+	var b strings.Builder
+	b.WriteString(fmt.Sprintf("id: %s, index: %d, type: %s", rule.ID, rule.Index, rule.RuleType))
+	b.WriteString(", labels: ")
+	for i, l := range rule.Labels {
+		if i == 0 {
+			b.WriteString("[")
+		}
+		b.WriteString(l.String())
+		if i == len(rule.Labels)-1 {
+			b.WriteString("]")
+		} else {
+			b.WriteString(", ")
+		}
+	}
+	b.WriteString(", data: ")
+	ranges := rule.Data.([]*KeyRangeRule)
+	for i, r := range ranges {
+		if i == 0 {
+			b.WriteString("[")
+		}
+		b.WriteString(fmt.Sprintf("startKey: {%s}, endKey: {%s}", r.StartKeyHex, r.EndKeyHex))
+		if i == len(ranges)-1 {
+			b.WriteString("]")
+		} else {
+			b.WriteString(", ")
+		}
+	}
+	return b.String()
+}
+
+// NewLabelRuleFromJSON creates a label rule from the JSON data.
+func NewLabelRuleFromJSON(data []byte) (*LabelRule, error) {
+	lr := &LabelRule{}
+	err := json.Unmarshal(data, lr)
+	if err != nil {
+		return nil, err
+	}
+	return lr, nil
+}
+
 const (
 	// KeyRange is the rule type that specifies a list of key ranges.
 	KeyRange = "key-range"
diff --git a/server/cluster/cluster_worker.go b/server/cluster/cluster_worker.go
index fd0acfe7466..aa2dffda1b0 100644
--- a/server/cluster/cluster_worker.go
+++ b/server/cluster/cluster_worker.go
@@ -227,7 +227,7 @@ func (c *RaftCluster) HandleBatchReportSplit(request *pdpb.ReportBatchSplitReque
 	err := c.checkSplitRegions(regions)
 	if err != nil {
 		log.Warn("report batch split region is invalid",
-			zap.Stringer("region-meta", hrm),
+			logutil.ZapRedactStringer("region-meta", hrm),
 			errs.ZapError(err))
 		return nil, err
 	}
@@ -236,7 +236,7 @@ func (c *RaftCluster) HandleBatchReportSplit(request *pdpb.ReportBatchSplitReque
 	hrm = core.RegionsToHexMeta(regions[:last])
 	log.Info("region batch split, generate new regions",
 		zap.Uint64("region-id", originRegion.GetId()),
-		zap.Stringer("origin", hrm),
+		logutil.ZapRedactStringer("origin", hrm),
 		zap.Int("total", last))
 	return &pdpb.ReportBatchSplitResponse{}, nil
 }