Touch screen POS cash register

The utility model discloses a touch screen POS cash register which comprises a base, the top of the base is provided with a cashier desk body, the periphery of the top of the base is fixedly connected with air cylinders, the output ends of the air cylinders are fixedly connected with the bottom of the cashier desk body, the front end of the top of the cashier desk body is fixedly connected with a keyboard, and the keyboard is fixedly connected with a touch screen. The back face of the cashier desk body is movably connected with a touch screen body through a bearing. The base is used for supporting the rotating shaft and increasing the contact area between the device and the ground, and the air cylinder is used for adjusting the height of the cashier desk body, so that a worker can conveniently adjust the cashier desk body to the height suitable for self operation according to the height of the worker; the problems that the height of an existing touch cash register and the angle of a touch screen are mostly fi