Zigbee local scene, when going multicast, creation and association are successful, there is a concept of scene ID group ID, the scene switch corresponding button and the execution device are assigned ID numbers, the scene switch and the execution device are mapped by this ID, The device local exists, and when the scene is executed, the scene switch multicast is sent out. (If the network is disconnected, the local scene can be executed, provided that the addition and verification are successful)