Processing method and appliance for multi-power supply

The invention provides a processing method and an appliance for multi-power supply. The method comprises detecting loading power; calculating the amount of required power supply based on the loading power; closing part of power supplies which work simultaneously based on the amount of required power supply, thereby the amount of power supplies which work simultaneously equaling to the amount of required power supply after closing part of power supplies. The embodiment of the invention can raise work efficiency and service life of the power supply.