One side of the toothache temple pain eye pain may need to do depending on the cause of root canal treatment, drug treatment or surgical treatment, etc., it is recommended to go to the hospital for specific examination and treatment. 1. The most common cause of toothache, temple pain and eye pain on one side is caused by pulpitis, and the nerve inside the tooth can be taken out and root canal treatment can be done. 2. There may be trigeminal neuralgia, trigeminal neuralgia may need to do acupuncture treatment, physical therapy or medication, etc., commonly used drugs are phenytoin sodium, carbamazepine and so on. 3. It may also be caused by maxillary sinusitis, which can cause toothache and facial pain on one side. Maxillary sinusitis needs to be treated according to the condition, using nasal irrigation, using antibacterial drugs such as amoxicillin, glucocorticoids such as mometasone furoate, or surgery. One side of the toothache temple eye pain is recommended to consult a doctor in time to clarify the cause of the disease and then symptomatic treatment. The use of drugs should follow the doctor’s instructions.