With the development of information age and the change of people's life style, more and more LCD advertising machines appear around us. LCD advertising machine as advertising information "good helper" by many advertisers favorite. Consumers are more willing to accept interactive advertising. Therefore, more and more interactive advertising, which requires advertising media must have the interactive function, which is the most simple way is to touch with function, increase consumer experience, improve the participation of consumers, enhance consumer's memory.

LCD advertising machine is a multimedia (audio, video, text, pictures, etc.) playback equipment, the basic composition of a liquid crystal display (LCD), shell, decoder board, power board, speakers and wire, etc.. Which is divided into stand-alone version of the advertising machine, the use of SD card, U disk can be broadcast advertising. Another is the network edition advertising machine, it is connected through the network to broadcast advertising resources, online advertising machine in advertising terminal using intelligent management module to achieve remote control and management of the advertising machine, and realize the integrity of the network protocol and remote management and control functions at the server end. Can realize the flexible management of remote terminal.

And touch one machine is the component of the motherboard, hard disk, power board the mainframe with display together in the same shell, so the host box assembly and a display screen as a whole, so called integrated machine. The same type of machine is different from one machine here without a keyboard or mouse, turn by the touch screen instead of its function, through the touch screen related settings on one machine, can bring up the "soft keyboard", with a finger or a special touch pen will be in "soft keyboard" or touch input information required on the screen and the corresponding operation.

Another difference is that the problem is the LCD screen and touch screen: the screen is like output devices, used to tell us the information; the touch screen is like input devices, we input the information to the machine, to complete the communication between man and machine "".

Touch query machine is a kind of convenient, simple and practical, natural human-computer interaction device, it is a collection of computer technology, multimedia technology, audio technology, network technology, industrial arts, mechanical manufacturing technology etc.. Touch one machine wide range of applications, there are business hall, office buildings, airports, stations, banks, museums, libraries and many other occasions.