Dental trauma is often encountered in the clinic, the treatment of the problem is as follows: 1, no symptoms can not be treated, a small amount of jaw adjustment, advise the patient to regularly check the vitality of the pulp; 2, crown fracture treatment, no pulp involved in the case, you can desensitize the dentin, grinding sharp edges, defective parts can be restored with resin or inlay. If the defective area involves the pulp, pulp treatment and pulp capping or root canal treatment should be done first; 3, root fracture problem, for root fracture near the cervical part of the tooth, the crown should be removed and root canal treatment should be performed before restoration of the pile crown. For root fracture close to the apical part or asymptomatic middle root fracture of the tooth, generally no treatment is done, but regular observation is made. In case of symptomatic middle root fracture or crown-root union fracture, extraction is usually given; 4. In case of tooth displacement and dislocation, repositioning or tooth reimplantation with ligature fixation is usually performed, and the pulp condition is observed at all times and treated accordingly; 5. In case of fracture of alveolar process, after the diagnosis is confirmed by X-ray, manual repositioning is performed as far as possible, and then ligature fixation is performed for 3-4 weeks, and the patient is advised to follow up.