Pain in the left temple may be caused by migraine headache, excessive brain work after excessive nutrition and energy consumption, which leads to a decrease in blood oxygen concentration, poor blood circulation, cerebral vascular spasm and other reasons. The main thing is to avoid excessive fatigue, try not to work long hours, take proper rest, maintain a stable mood, and eat more calming food to ensure the quality of sleep. It may also be related to elevated blood pressure, excessive emotional excitement, tension, anxiety, and the intake of stimulating foods. Other causes include cerebral atherosclerosis, brain tumors, etc. If it is caused by neuropathic pain, you can do local hot compresses, acupuncture, massage and take drugs such as flunarizine hydrochloride, vitamin B1 and methylcobalamin tablets for treatment, which can effectively relieve the symptoms of headache.