The utility model discloses a multi-function control circuit, including transformer T1, rectifier bridge Q, transformer T2, diode D1, resistance R1, relay K 1 and unicontrolable silicium VS1, 220V alternating current and 1 contact K -1 of relay K are connected respectively to transformer T1 coil L1 one end, 1 contact K -1 other end connected load RL of relay K, and transformer T2 coil L3 is connected to the load RL other end, and the 220V alternating current other end and the transformer T1 coil L1 other end are connected respectively to the transformer T2 coil L3 other end, and transformer T1 coil L2 connects at both ends rectifier bridge Q pin 1 and rectifier bridge Q pin 3 respectively. The utility model discloses an using relay and unicontrolable silicium cooperation control, collecting excessive pressure, overcurrent protection in an organic whole, circuit structure is simple, and the dough stability is high, and is with low costs, especially adapted using widely.