The invention provides a control method of an electric cooking appliance. The control method of the electric cooking appliance includes the following steps that a heating element of the electric cooking appliance heats an inner container of the electric cooking appliance, and the electric cooing appliance enters a rice washing process; in the single-pass rice washing process, the heating element of the electric cooking appliance heats the inner container of the electric cooking appliance till an anti-overflow detection part is triggered by water, the heating element stops working with the stop lasting for a first preset time t1 to complete the single-pass rice washing process, and the rice washing process is repeated N1 times; the electric cooking appliance enters a rice steaming process, and the heating element heats the inner container of the electric cooking appliance. By means of the control method of the electric cooking appliance, the GI value of steamed rice can be reduced, the taste of steamed rice can be improved, and the electric cooking appliance can be effectively controlled.