Whether tooth nerve pain can heal on its own without treatment needs to be judged according to the symptoms and so on, and cannot be generalized. If the pain is only after hot or cold stimulation, and there is no spontaneous pain, it is a reversible pulpitis. Usually, as long as the tooth is cleaned up and the filling is filled, the nerve will no longer be stimulated and it may heal on its own, or the tooth can be soothed, that is, the tooth can be treated with anti-inflammatory and analgesic drugs to relieve the pain, and the tooth can be observed and then filled thoroughly. If the pain is intense, spontaneous, after hot or cold stimulation, or intensifies into the night, etc., it belongs to irreducible pulpitis, which usually cannot be cured spontaneously and requires root canal treatment to clean the inflamed pulp, and disinfect and fill the root canal in order to achieve a cure. When tooth nerve pain occurs, it is important to go to the dentistry department for dental films and other examinations in order to understand the condition and treat it symptomatically. Also take care not to eat too cold, too hot, too acidic, too hard or irritating food.