The invention discloses a multi-functional medical rehabilitation system. The multi-functional medical rehabilitation system can be used by a patient suffering from fracture and spinal cord injury inthe whole course that the patient is hospitalized until leaving from the hospital and is even in family, and in the whole stage of treatment and rehabilitation of the patient, the multi-functional medical rehabilitation system can assist the patient to perform various daily activities, can assist medical workers to complete a series of operations, can also cooperate with medical personnel to perform operations including postural drainage, thoracentesis, chest cavity closed type drainage, phlegm discharging and the like, and besides, can cooperate with a functional training mode to promote therehabilitation of the patient. According to the multi-functional medical rehabilitation system disclosed by the invention, the angles, the postures and the heights of a rear back, a cushion, a first thigh mat, a second thigh mat, a first shank mat and a second shank mat can be controlled by a mobile phone APP or keys; a doctor or the patient can select appropriate four modes according to requirements, the patient can also accurately regulate the angles and the heights of the rear back, handrail brackets, the thigh pads and the shank pads according to own requirements, and the multi-functionalmedical rehabilitation system really achieves the purposes of being more humane, more comfortable and more convenient in design.