If the fracture of the left humeral tuberosity is well aligned and aligned, the healing period is three months. At the initial stage, the fracture can be fixed with an over-the-shoulder splint or shoulder brace, with the forearm suspended in front of the chest, and the fixation period is about one month. At the end of the month, X-rays can be taken. If the fracture is clearly shown to have continuous scab formation, the external fixation can be removed and functional exercises of the upper extremity can be performed gradually. At first, you can do pendulum exercises, and then gradually perform functional exercises for shoulder abduction, forward extension, back extension and supination, which can prevent the shoulder joint from stiffening. It takes three months for the fracture to heal completely. At the three-month mark, it is clear that the fracture has reached clinical healing through X-ray examination and clinical physical examination by an orthopedic surgeon.