If middle-aged people suddenly appear the symptoms of drooling, must be alert to cerebrovascular disease. For example, many middle-aged people have unhealthy lifestyles, smoking, drinking or have high blood pressure, diabetes will easily lead to the patient’s cerebral arteriosclerosis, the narrowing of blood vessels. When the blood flow is suddenly interrupted, patients will show neurological deficits. For example, the presence of facial paralysis will manifest as poor control of saliva, and there will be symptoms of drooling. Therefore, if the symptoms are accompanied by facial paralysis or shallow nasolabial folds, oblique tongue extension, and speech clumsiness, it is necessary to consult the neurology department of the hospital for examination and treatment in a timely manner. There is also drooling in middle-aged people should be considered to be caused by facial neuritis, for example, because of the wind, cold, resistance to decline in the time, infected with viruses. There will be one side of the facial muscle paralysis is manifested in the affected side will have the symptoms of drooling, eating will save rice, puffing cheeks will leak, whistling and other actions can not be considered to be caused by facial neuritis.