Numbness of the tongue is not a symptom of novel coronavirus infection. Numbness of the tongue may be due to physiological reasons, such as food stimulation, or pathological reasons, such as drug stimulation, insufficient blood supply to the brain and ischemic vascular disease. New coronavirus infection will cause new coronavirus pneumonia, the typical symptoms are fever, fatigue, dry cough, etc. Some patients may have nasal congestion, runny nose, diarrhea and other symptoms, numbness of the tongue is not a symptom of new coronavirus infection. 1. Physiological reasons: If you eat more spicy and stimulating food, or drink special drinks, it may lead to numbness of the tongue. 2. Pathologic causes: (1) Drug stimulation: If you take drugs such as gentamicin or streptomycin, it may cause numbness of the tongue. (2) Insufficient blood supply to the brain: when the viscosity of the blood is high, it will cause the blood flow to be slow, which in turn will cause insufficient blood supply to the brain, and the patient will feel numbness of the tongue. (3) Ischemic vascular disease: numbness of the tongue is a typical symptom of ischemic vascular disease, which may also be accompanied by tongue pain and localized swelling of the tongue. If the physiological reasons are excluded, the patient should consult the doctor in time to find out the specific reasons for the numbness, and if necessary, carry out the corresponding treatments. Tip: The terms “new coronary pneumonia and new coronary virus pneumonia” mentioned in this article were renamed to “new coronary virus infection” on December 26, 2022, as announced by the National Health Commission.