Knee joint movement injury auxiliary rehabilitation device

The invention relates to the technical field of exercise injury rehabilitation training equipment, in particular to a knee joint exercise injury auxiliary rehabilitation device which comprises a first leg wrapping assembly, a second leg wrapping assembly and a knee joint rotating assembly, the knee joint rotating assembly comprises two first supporting plates, two outer housings, two second supporting plates and two inner housings, an adjusting assembly is arranged between one outer cover shell and one inner cover shell, thighs and shanks are bound through a first leg binding assembly and a second leg binding assembly respectively, the outer cover shells and the inner cover shells are rotationally connected, the first leg binding assembly and the outer cover shells are connected through a first supporting plate, and the second leg binding assembly and the inner cover shells are connected through a second supporting plate. The rotation range of the outer cover shell and the inner cover shell is controlled thro