Adjustable human-like punching bag trainer

The invention discloses an adjustable human-like punching bag trainer which comprises a base and an extensible support rod. The lower end of the extensible rod is connected with the base through a spring, a main punching bag is arranged at the upper end of the extensible support rod, leg punching bags are arranged at the lower end of the main punching bag, and arm punching bags are arranged at the upper end of the main punching bag. Each leg punching bag comprises an upper leg punching bag and a lower leg punching bag which are hinged through one internal gear and one external gear. Each arm punching bag comprises an upper arm punching bag and a lower arm punching bag which are hinged through one internal gear and one external gear. The adjustable human-like punching bag trainer is simple in structure, convenient to use and floor-type, the integral punching bag is of a simulated human body structure, muscular training for legs, arms and the like of human bodies can be achieved by boxing training, the integral