Students playing between classes arm fracture, should be immediately braked, rest, go to the orthopedic department of the regular hospital in a timely manner, give the appropriate examination, according to the degree and type of fracture to take conservative treatment or surgical treatment. 1. Conservative treatment: including manipulation, external fixation, traction, medication and so on. (1) External fixation: If the arm fracture is not obviously dislocated, it can be immobilized by plaster or support to maintain the stability of the fracture and promote healing. (2) Manipulation: If the arm is fractured and there is a certain degree of dislocation, manipulation can be performed under local anesthesia to restore good alignment, and then external fixation can be performed. (3) Traction: part of the humeral surgical neck fracture and humeral stem fracture can be treated by traction, which is good for early rehabilitation and preventing muscle atrophy. (4) Medication: It is a common auxiliary treatment, mainly to improve the symptoms, you can take oral ibuprofen suspension, acetaminophen tablets to reduce pain, or oral Xylin bone marrow, calcium carbonate tablets and other drugs. 2. Surgery: If the student’s arm fracture is obviously dislocated and involves the joints, or combined with vascular and nerve injuries, the student can be treated with internal fixation surgery, such as steel plate and Kirschner’s pin. After the operation, rehabilitation exercises will be carried out gradually according to the recovery of the fracture. If the fracture occurs when the student is playing, he should consult the doctor in time, take pictures and do CT examination, and actively cooperate with the doctor to avoid delaying the condition.