Pain on both sides of the temples may be caused by primary headache, such as migraine, or secondary headache, such as subarachnoid hemorrhage, encephalitis and other diseases, and when persistent or progressive pain occurs, it is necessary to consult a doctor in time to find out the cause of the disease. 1. Migraine: a common chronic disease characterized by recurrent throbbing severe pain in one or both temples, which may be combined with autonomic nervous system dysfunction such as nausea, vomiting, photophobia and phonophobia. 2. Subarachnoid hemorrhage: It is mainly caused by aneurysm, hypertension and other causes of internal or surface rupture of blood vessels in the brain tissue, causing blood to flow into the subarachnoid cavity. Typical manifestations of the disease are sudden, abnormal and severe headache in local or whole head, which is progressively aggravated, accompanied by nausea, vomiting, neck stiffness, etc. In critical cases, different degrees of unconsciousness or coma may occur. 3. Encephalitis: mainly due to bacterial, fungal and other pathogenic infections, patients can be due to increased intracranial pressure, causing bilateral temple pain symptoms, usually accompanied by nausea, fever, unequal pupil size, irregular respiratory rhythm and other manifestations of the more serious cases can also appear mania, coma, epilepsy. In addition, high blood pressure, brain tumors can also lead to bilateral temple pain symptoms, but this symptom alone is not enough to diagnose the disease, we should consult the doctor in a timely manner, improve the relevant examinations, a clear diagnosis, by the doctor to carry out targeted treatment.