diff --git a/plugins/src/main/java/org/tron/plugins/Db.java b/plugins/src/main/java/org/tron/plugins/Db.java
index c60b60cff44..8e51133a4fb 100644
--- a/plugins/src/main/java/org/tron/plugins/Db.java
+++ b/plugins/src/main/java/org/tron/plugins/Db.java
@@ -15,6 +15,7 @@
         DbRoot.class,
         DbCheckpointCompare.class,
         DbQuery.class,
+        DbBlockScan.class,
     },
     commandListHeading = "%nCommands:%n%nThe most commonly used db commands are:%n"
 )
diff --git a/plugins/src/main/java/org/tron/plugins/DbBlockScan.java b/plugins/src/main/java/org/tron/plugins/DbBlockScan.java
new file mode 100644
index 00000000000..c36838a1662
--- /dev/null
+++ b/plugins/src/main/java/org/tron/plugins/DbBlockScan.java
@@ -0,0 +1,107 @@
+package org.tron.plugins;
+
+import static org.tron.protos.Protocol.Transaction.Contract.ContractType.ShieldedTransferContract;
+
+import com.google.protobuf.InvalidProtocolBufferException;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.concurrent.Callable;
+import java.util.concurrent.atomic.AtomicLong;
+import lombok.extern.slf4j.Slf4j;
+import me.tongfei.progressbar.ProgressBar;
+import org.rocksdb.RocksDBException;
+import org.tron.plugins.utils.BlockId;
+import org.tron.plugins.utils.Sha256Hash;
+import org.tron.plugins.utils.db.DBInterface;
+import org.tron.plugins.utils.db.DBIterator;
+import org.tron.plugins.utils.db.DbTool;
+import org.tron.protos.Protocol;
+import picocli.CommandLine;
+
+
+@Slf4j(topic = "block-scan")
+@CommandLine.Command(name = "block-scan",
+    description = "scan data from block.",
+    exitCodeListHeading = "Exit Codes:%n",
+    exitCodeList = {
+        "0:Successful",
+        "n:query failed,please check toolkit.log"})
+public class DbBlockScan implements Callable<Integer> {
+
+  @CommandLine.Spec
+  CommandLine.Model.CommandSpec spec;
+  @CommandLine.Parameters(index = "0",
+      description = " db path for block")
+  private Path db;
+
+  @CommandLine.Option(names = {"-h", "--help"}, help = true, description = "display a help message")
+  private boolean help;
+
+  private static final  String DB = "block";
+
+  private final AtomicLong last = new AtomicLong(0);
+  private final AtomicLong scanTotal = new AtomicLong(0);
+
+
+  @Override
+  public Integer call() throws Exception {
+    if (help) {
+      spec.commandLine().usage(System.out);
+      return 0;
+    }
+    if (!db.toFile().exists()) {
+      logger.info(" {} does not exist.", db);
+      spec.commandLine().getErr().println(spec.commandLine().getColorScheme()
+          .errorText(String.format("%s does not exist.", db)));
+      return 404;
+    }
+    return query();
+  }
+
+
+  private int query() throws RocksDBException, IOException {
+    try (DBInterface database  = DbTool.getDB(this.db, DB);
+         DBIterator iterator = database.iterator()) {
+      iterator.seekToFirst();
+      long min = new BlockId(Sha256Hash.wrap(iterator.getKey())).getNum();
+      iterator.seekToLast();
+      long max = new BlockId(Sha256Hash.wrap(iterator.getKey())).getNum();
+      long total = max - min + 1;
+      spec.commandLine().getOut().format("scan block start from  %d to %d ", min, max).println();
+      logger.info("scan block start from {} to {}", min, max);
+      try (ProgressBar pb = new ProgressBar("block-scan", total)) {
+        for (iterator.seekToFirst(); iterator.hasNext(); iterator.next()) {
+          print(iterator.getKey(), iterator.getValue());
+          pb.step();
+          pb.setExtraMessage("Reading...");
+          scanTotal.getAndIncrement();
+        }
+      }
+      spec.commandLine().getOut().format("last block has ShieldedTransferContract : %d",
+          last.get()).println();
+      spec.commandLine().getOut().format("total scan block size: %d", scanTotal.get()).println();
+      logger.info("last block has ShieldedTransferContract : {}", last.get());
+      logger.info("total scan block size: {}", scanTotal.get());
+    }
+    return 0;
+  }
+
+  private void print(byte[] k, byte[] v) {
+    try {
+      Protocol.Block block = Protocol.Block.parseFrom(v);
+      long num = block.getBlockHeader().getRawData().getNumber();
+      boolean ret = block.getTransactionsList().stream().anyMatch(this::check);
+      if (ret) {
+        last.set(num);
+      }
+    } catch (InvalidProtocolBufferException e) {
+      logger.error("{},{}", k, v);
+    }
+  }
+
+  private boolean check(Protocol.Transaction trans) {
+    return trans.getRawData().getContractList()
+        .stream()
+        .anyMatch(c -> c.getType() == ShieldedTransferContract);
+  }
+}
\ No newline at end of file
diff --git a/plugins/src/main/java/org/tron/plugins/utils/BlockId.java b/plugins/src/main/java/org/tron/plugins/utils/BlockId.java
new file mode 100644
index 00000000000..08a01894832
--- /dev/null
+++ b/plugins/src/main/java/org/tron/plugins/utils/BlockId.java
@@ -0,0 +1,54 @@
+package org.tron.plugins.utils;
+
+import com.google.common.primitives.Longs;
+import java.util.Arrays;
+
+public class BlockId extends Sha256Hash {
+
+  private final long num;
+
+  public BlockId(Sha256Hash blockId) {
+    super(blockId.getBytes());
+    byte[] blockNum = new byte[8];
+    System.arraycopy(blockId.getBytes(), 0, blockNum, 0, 8);
+    num = Longs.fromByteArray(blockNum);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || (getClass() != o.getClass() && !(o instanceof Sha256Hash))) {
+      return false;
+    }
+    return Arrays.equals(getBytes(), ((Sha256Hash) o).getBytes());
+  }
+
+  public String getString() {
+    return "Num:" + num + ",ID:" + super.toString();
+  }
+
+  @Override
+  public String toString() {
+    return super.toString();
+  }
+
+  @Override
+  public int hashCode() {
+    return super.hashCode();
+  }
+
+  @Override
+  public int compareTo(Sha256Hash other) {
+    if (other.getClass().equals(BlockId.class)) {
+      long otherNum = ((BlockId) other).getNum();
+      return Long.compare(num, otherNum);
+    }
+    return super.compareTo(other);
+  }
+
+  public long getNum() {
+    return num;
+  }
+}
\ No newline at end of file