Since the emergence of smart phones, the touch industry has ushered in rapid development. This way of human-computer interaction has rapidly changed people's lives. Suddenly, touch all-in-one machines are everywhere, extending from smart phones to tablets. , to many touch products in the commercial field, it can be said that people's acceptance and demand for touch have ushered in a new peak. So much demand has naturally created an upsurge in the touch market. With the increasingly fierce competition in the touch industry, price reduction is an inevitable trend. Under the same price conditions, people are more willing to choose monitors with touch functions to replace them. On the other hand, this kind of human-computer interaction also greatly improves work efficiency and realizes convenient and simple function realization. After these years of development, the styles and varieties of touch all-in-one machines have become more and more abundant. The touch and query all-in-one machine can display information in various public areas of the hotel. These places can broadcast and provide all-round service information of the hotel: hotel introduction, hotel map, cuisine recommendation, room use, preferential activities, local travel and other information. Touch query all-in-one machines on the market now include: wall-mounted, touch-screen all-in-one machines, floor-standing LCD advertising machines, dual-screen advertising machines, vertical query machines, horizontal query machines, etc.