The invention relates to an instrument lifting appliance, in particular to a switchable clamp instrument lifting appliance. The switchable clamp instrument lifting appliance comprises a car set, a frame, a driving switching device and a driven switching device; the driving switching device comprises a driving shaft rotatably mounted on the frame, a rotating disc is fixedly mounted on the outer endof the driving shaft, a switching assembly is arranged on the inner end of the driving shaft, the driven switching device comprises a driven shaft arranged on the frame and a switching assembly mounted on the inner end of the driven shaft, the switching assembly comprises locating sleeves with plungers and switching discs, the positioning sleeves with the plungers are fixedly mounted on the driving shaft or the driven shaft, the switching discs are rotatably mounted on the driving shaft or the driven shaft, and the two locating sleeves with the plungers are connected through a connecting rod.The driving switching device and the driven switching device can be independently switched, whole synchronous switching is achieved, the structure is simple, operation is rapid and convenient, and the lifting appliance is suitable for loading of multiple instrument plates.