There are many reasons for the patient’s left temple swelling, mainly consider the following: 1, may be caused by poor rest, if the patient sleeps poorly or sleep time is relatively short will also have this problem. 2, consider the cold, fever disease caused by some people will also appear after the cold temple area swelling pain, if the patient is accompanied by runny nose, sneezing, fever symptoms, basically can be diagnosed. 3, 3, with the age of cerebral blood vessels will be hardened and the diameter of the tube will become thinner, also prone to cause patients to appear left temple swelling problem. 4, consider the hypertension disease caused by the long suffering from hypertension, the tube diameter will become thinner, also prone to cause patients to appear left temple swelling, The problem of swelling of the left temple can be easily caused by the increase in cerebral blood vessels with age, which can lead to a decrease in cerebral blood flow. 4, consider the problem caused by hypertension, which can easily lead to swelling of the left temple if blood pressure is not controlled in time and blood pressure fluctuates. At this time, the blood pressure will be elevated, and the diagnosis can be confirmed when the blood pressure drops and the symptoms improve after giving the patient antihypertensive drugs.