The invention discloses a method for controlling a power supply switch of electric equipment. The method for controlling the power supply switch of the electric equipment can use the communication function of the network, a terminal transmits control instructions of the power supply switch to a power supply socket on the electric equipment, so that the power supply socket can control a power source of the electric equipment to be connected or disconnected according to the switch control instructions transmitted by the terminal, further operation and stopping of the electric equipment can be controlled, and remote control on the power supply switch of the electric equipment can be achieved. The invention further discloses a smart socket which can receive the switch control instructions transmitted by the terminal through the network in remote mode, so that the connection and disconnection of the power supply of the electric equipment can be controlled according to the switch control instructions, and the aim of controlling the electric equipment to be reasonable in power utilization in remote mode can be achieved.