The urine is based on sensors, infrared induction principle, through the human body after the induction signal is sent to the automatic flushing control pulse electromagnetic valve. Only in the induction range, only automatic urinal flushing, otherwise do not wash, washing procedures, washing time and induction distance can be adjusted, is currently the domestic advanced intelligent water-saving products; at the same time urinate sensor because of non-contact water-saving products, without human body manual control, can effectively prevent bacterial cross infection. Especially suitable for the public places, such as schools, train station, airport, bus station etc..