diff --git a/CHANGELOG.md b/CHANGELOG.md
index 762ac953f9..3c3b6e3620 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@
 * [\#76](https://github.com/Finschia/wasmd/pull/76) add an integration test for ClearAdmin
 * [\#68](https://github.com/Finschia/wasmd/pull/68) add an integration test for UpdateAdmin
 * [\#99](https://github.com/Finschia/wasmd/pull/99) format test files
+* [\#98](https://github.com/Finschia/wasmd/pull/98) refactor TestStoreAndInstantiateContract
 
 ### Bug Fixes
 * [\#62](https://github.com/Finschia/wasmd/pull/62) fill ContractHistory querier result's Updated field
diff --git a/x/wasmplus/keeper/msg_server_integration_test.go b/x/wasmplus/keeper/msg_server_integration_test.go
index 6c9c0b9ab4..ad9ca4b5a4 100644
--- a/x/wasmplus/keeper/msg_server_integration_test.go
+++ b/x/wasmplus/keeper/msg_server_integration_test.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	abci "github.com/tendermint/tendermint/abci/types"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
 
 	sdk "github.com/Finschia/finschia-sdk/types"
@@ -29,12 +30,44 @@ func TestStoreAndInstantiateContract(t *testing.T) {
 	specs := map[string]struct {
 		addr       string
 		permission *wasmtypes.AccessConfig
+		expEvents  []abci.Event
 		expErr     bool
 	}{
 		"address can instantiate a contract when permission is everybody": {
 			addr:       myAddress.String(),
 			permission: &wasmtypes.AllowEverybody,
-			expErr:     false,
+			expEvents: []abci.Event{
+				{
+					Type: "store_code",
+					Attributes: []abci.EventAttribute{
+						{
+							Key:   []byte("code_checksum"),
+							Value: []byte("2843664c3b6c1de8bdeca672267c508aeb79bb947c87f75d8053f971d8658c89"),
+							Index: false,
+						}, {
+							Key:   []byte("code_id"),
+							Value: []byte("1"),
+							Index: false,
+						},
+					},
+				},
+				createMsgEvent(myAddress),
+				{
+					Type: "instantiate",
+					Attributes: []abci.EventAttribute{
+						{
+							Key:   []byte("_contract_address"),
+							Value: []byte("link14hj2tavq8fpesdwxxcu44rty3hh90vhujrvcmstl4zr3txmfvw9sgf2vn8"),
+							Index: false,
+						}, {
+							Key:   []byte("code_id"),
+							Value: []byte("1"),
+							Index: false,
+						},
+					},
+				},
+			},
+			expErr: false,
 		},
 		"address cannot instantiate a contract when permission is nobody": {
 			addr:       myAddress.String(),
@@ -67,25 +100,29 @@ func TestStoreAndInstantiateContract(t *testing.T) {
 			require.NoError(t, wasmApp.AppCodec().Unmarshal(rsp.Data, &storeAndInstantiateResponse))
 
 			// check event
-			events := rsp.Events
-			assert.Equal(t, 3, len(events))
-			assert.Equal(t, "store_code", events[0].Type)
-			assert.Equal(t, 2, len(events[0].Attributes))
-			assert.Equal(t, "code_checksum", string(events[0].Attributes[0].Key))
-			assert.Equal(t, "code_id", string(events[0].Attributes[1].Key))
-			assert.Equal(t, "1", string(events[0].Attributes[1].Value))
-			assert.Equal(t, "message", events[1].Type)
-			assert.Equal(t, 2, len(events[1].Attributes))
-			assert.Equal(t, "module", string(events[1].Attributes[0].Key))
-			assert.Equal(t, "wasm", string(events[1].Attributes[0].Value))
-			assert.Equal(t, "sender", string(events[1].Attributes[1].Key))
-			assert.Equal(t, "instantiate", events[2].Type)
-			assert.Equal(t, "_contract_address", string(events[2].Attributes[0].Key))
-			assert.Equal(t, storeAndInstantiateResponse.Address, string(events[2].Attributes[0].Value))
-			assert.Equal(t, "code_id", string(events[2].Attributes[1].Key))
-			assert.Equal(t, "1", string(events[2].Attributes[1].Value))
+			assert.Equal(t, spec.expEvents, rsp.Events)
 
 			require.NoError(t, err)
 		})
 	}
 }
+
+// This function is utilized to generate the msg event for event checking in integration tests
+// It will be deleted in release/v0.1.x
+func createMsgEvent(sender sdk.AccAddress) abci.Event {
+	return abci.Event{
+		Type: "message",
+		Attributes: []abci.EventAttribute{
+			{
+				Key:   []byte("module"),
+				Value: []byte("wasm"),
+				Index: false,
+			},
+			{
+				Key:   []byte("sender"),
+				Value: []byte(sender.String()),
+				Index: false,
+			},
+		},
+	}
+}