A split-type in-wall smart switch module comprises a switching signal generation unit, a mechanical switch, a switching signal receiving and processing unit, a wireless module unit, a switching unit and a load, wherein the switching signal generation unit is connected to a live wire in mains electricity, the mechanical switch and the switching signal receiving and processing unit, respectively; the switching signal receiving and processing unit is also connected to the wireless module unit and a neutral wire in mains electricity respectively; the other end of the wireless module unit is connected to the switching unit; the other end of the switching unit is connected to the load; and the other end of the load is connected to the neutral wire in mains electricity. The switch can realize the control of turning-on and turning-off by means of a switch panel.