The invention belongs to the technical field of medical apparatus and instruments, particularly relates to a rehabilitation leg training device for neurology department, and aims to solve the problemsthat an existing rehabilitation leg training device is simple in structural design, single in function, poor in training effect and incapable of providing good treatment experience for patients. According to the technical scheme, the rehabilitation leg training device comprises a hollow base and is characterized in that universal wheels are fixed at the four corners of the bottom outer wall of the base through screws, a motor box is fixed to the top inner wall of the base through screws, a rotating motor is connected to the bottom inner wall of the motor box through screws, a rotary disc sleeves the output shaft of the rotating motor, and a first hydraulic cylinder is fixed to the top outer wall of the rotary disc through screws. The rehabilitation leg training device has the advantages that the patients are prevented from being injured, training comfortableness is increased, the device is powerful in function, patient training experience is improved, the use requirements of the patients are satisfied, device stability is increased, and the device is high in safety performance, capable of intensifying the training effect and capable of helping the fast rehabilitation of the legs of the patients.