Face numbness is a subjective human sensation, in fact, there are many clinical diseases, there will be symptoms of facial numbness, such as young people, especially in the summer air conditioning environment, fan environment or open windows to sleep, after the local wind and cold, there will be facial numbness, are facial neuritis, self-limiting, that is, the tendency to self-healing, to the hospital can be tied acupuncture, physical therapy, the symptoms will be quickly relieved. The symptoms will soon be relieved. If you have a past history of diabetes, you need to observe the blood sugar control, if the blood sugar is very high for a long time, if the facial numbness appears, it may be a peripheral neuropathy complicated by diabetes, you need to closely monitor the blood sugar, strict control of blood sugar and take drugs that nourish the peripheral nerves. For example, if you have a history of hypertension, diabetes, coronary heart disease or atrial fibrillation, if you have facial numbness, you need to be alert to the appearance of cerebrovascular disease, especially in some patients, if you have facial numbness, and at the same time, you feel that your tongue is not flexible when you speak, or you have choking and coughing when you drink water, or you feel that your mouth may not be clean when you swallow, or you have abnormal sensation in your hands or lower limbs when you hold something. If you have abnormal sensation and weakness of the lower limbs when walking, it is recommended to go to the hospital for a cranial CT or MRI examination in a timely manner, except for cerebrovascular disease. For some patients, if facial numbness occurs continuously, they should also be alert to intracranial occupying lesions, so don’t delay and go to the hospital for relevant imaging examinations to help doctors understand the lesions timely and accurately.