The numbness of the tongue and mouth may be due to the lack of aerobic exercise caused by their own frequent inactivity. Usually more exercise, especially just after eating is not recommended sedentary, appropriate exercise, can promote human blood circulation, slowly improve the tongue numbness, numb mouth symptoms. Frequent tongue numbness is likely to be a precursor of cerebral infarction and other cerebrovascular diseases, and it is recommended to go to the hospital for cranial CT to rule out the cause. Patients with atrial fibrillation, for example, can easily cause numbness in the hands and mouth. If you have these diseases, it is recommended that you go to the hospital and ask your doctor before taking the right medication to relieve your condition. It may be caused by food irritation to the tongue and mouth, such as chili, pineapple can cause this reaction, if this is the case, do not worry too much, wait for some time after the symptoms will disappear.