The present invention relates to an application method of infrared communication in automatic induction cleaning utensil. It is characterized by that is utilizes a main board to send infrared signal in the form of pulse to induct human body, after the human body is inducted, said main board can produce a group of pulse matched code valve-opening signals to drive another infrared transmitting tubeto transmit said matched code valve-opening signal, said matched code signal is received by infrared receiving tube on the plate and converted into pulse signal, said pulse signal can be inputted intochip to make treatment. If said matched code is matched, it can control opening and closing of electromagnetic valve, at the same time the matched code can be returned into main circuit board, and give out a command to it to make it stop transmitting matched code signal for opening valve so as to implement infrared wireless communication.