The invention relates to a convenient-to-use ordering device for an unmanned restaurant. The ordering devcie comprises a seat plate, a
backup plate, a processor, a top plate, a lifting mechanism, a cleaning box, an ordering mechanism and four supporting legs, a cleaning mechanism is arranged in the cleaning box; the ordering mechanism comprises a touch screen, a hinge
assembly and two rotating assemblies. The rotating
assembly comprises a horizontal moving unit, a horizontal moving block, a supporting rod and two connecting units. The cleaning mechanism comprises a moving
assembly, a moving plate and a cleaning assembly. The cleaning assembly comprises a cleaning plate, a plurality of springs and two limiting units. According to the convenient-to-use ordering device for the unmanned restaurant, the touch screen can be adjusted to a
vertical angle through the ordering mechanism; the lifting mechanism is matched to drive the top plate to move up and down, customers on the seat plate canorder meals conveniently, the touch screen can be rotated to a
horizontal angle, and then the cleaning mechanism in the cleaning box is used for removing oil stains on the surface of the touch screen,so that the touch screen is recovered to be clean, the passenger ordering experience is improved, and the practicability of the device is improved.