An electric heating cooking appliance that automatically fills a pressured water source at regular intervals, mainly referring to electric rice cookers, electric pressure cookers and electric stew pots. The upper cover of the electric heating cooking appliance is provided with a water injection pipeline, which is connected to an external pressured water source. It communicates with the interior of the electric heating cooking appliance, and a control device is arranged on the delivery pipeline. Water and other ingredients do not mix during the preparatory stage. At this stage, there is only rice or other ingredients at the bottom of the pot without water. The ingredients in this article include rice, beans, meat, fruits and vegetables, and water. The water is only input into the inner tank almost at the same time as heating, and it is heated and cooked. This can solve the problem of deterioration of the taste of the rice caused by the pre-mixing of ingredients in the timing electric heating cooking appliance for too long, improve the quality of life of users, save time and improve efficiency.