Numbness of the tongue is usually not a symptom of sudden death, which may not have any precursor symptoms. The cause of tongue numbness may be cerebrovascular disease, tongue inflammation, intracranial tumors and so on. Sudden death generally refers to the sudden, non-traumatic death of a person who usually seems to be in good health. The onset of the disease is relatively acute and there are usually no signs, and the patient may suffer from cardiac arrest prior to sudden death, which may result in the loss of heart sounds, loss of pulse, loss of blood pressure, loss of consciousness, sighing breathing, and dilation of the pupils. If sudden loss of consciousness, apnea, cardiac arrest occurs, it is necessary to call the emergency number in time, but also through the chest heart pressure and artificial respiration and other first aid for first aid, part of the patient in a short period of time to get effective first aid, it is possible to restore vital signs. In general, we should pay close attention to our health, regular medical checkups, and follow the doctor’s instructions for treatment when diseases are found.