The invention discloses a ligament stretching activity device for physical training, comprising a bottom plate, a vertical plate is welded to the top edge of the bottom plate, a cylinder is welded to the top end of the bottom plate at one end edge of the vertical plate, and the cylinder A reset spring is arranged in the middle of the inner wall, a T-shaped round rod is welded in the middle of the top of the reset spring, a top plate is welded in the middle of the top of the T-shaped round rod, and a column is welded at the top of the bottom plate corresponding to one end of the cylinder. The outer surface of the column is sleeved with a sheath, through a vertical plate, a cylinder, a T-shaped round rod, a return spring, a top plate, a column, a sheath, a notch, a telescopic rod, a limit block, a rubber cushion, a groove, The rotating belt and the rotating roller, the vertical board, the top board and the telescopic rod can respectively train the trainees to lift legs, branch, bend over and handle. The training methods are diversified, the exercise effect is improved, and the practicability is strong. Moreover, this method is easy to operate Easy to use and easy to promote.