diff --git a/consensus/general.go b/consensus/general.go
index 9f38724b4..627807387 100644
--- a/consensus/general.go
+++ b/consensus/general.go
@@ -9,8 +9,8 @@ import (
 //consensus variables
 const (
 	// define the Max transaction size and Max block size
-	MaxTxSize    = uint64(1024)
-	MaxBlockSzie = uint64(16384)
+	MaxTxSize    = uint64(1048576)
+	MaxBlockSzie = uint64(1048576)
 
 	//config parameter for coinbase reward
 	CoinbasePendingBlockNumber = uint64(6)