Usually there is no quick solution for the pain of filled teeth. The pain of patients’ filled teeth may be caused by incomplete treatment, pulpitis, gingivitis, etc. Patients can alleviate the condition through general treatment, medication and surgery. 1. Incomplete treatment: If the patient does not thoroughly clean the cavity before filling, or the gums are sensitive to fillings, it may cause toothache. The patient can go to the regular dental clinic, re-clean the filled tooth, fill it again after cushioning, and avoid the use of irritating fillings, etc. when filling. 2. Pulpitis: When the tooth filled by the patient appears pulpitis, it may cause pain, the affected patient should take out the filling and treat it through open root canal therapy to relieve the pain. 3. Gingivitis: For patients with pain caused by gingivitis, attention should be paid to maintaining oral hygiene, frequent brushing, flossing after eating to remove food debris, and rinsing after meals. Patients can use hydrogen peroxide solution, chlorhexidine, iodine glycerin, hydrogen peroxide solution and other drugs for local rinsing, serious patients can consider surgical treatment. It is recommended that patients strictly follow the doctor’s instructions to use medication, actively cooperate with the doctor’s treatment, pay attention to the observation of the affected teeth in life, if the pain worsens or other adverse reactions to the need for timely medical treatment.