With the continuous development of science, people's requirements for the quality of life are getting higher and higher. Smart home displays have slowly entered people's homes, and the world has entered the trend of intelligent development. The smart home display touch screen is widely used in the commercial center of villas, residential hotels, office buildings, etc. Its function is as follows: when the scene control opinion operation reaches the preset mode, it can integrate all the equipment in the home, including film and television, household appliances, curtains, lights, gardens, garages, etc., to achieve intelligent control opinion completion. It is generally installed at the entrance of the living room or at the bedside. Application technology of smart home touch LCD screen: At present, it is mainly capacitive touch screen, which can detect coordinates by sensing human static electricity, and can realize multi-point touch.