The pain at the root of the tongue is likely to be caused by the following three reasons: 1. The root of the tongue has been traumatized, for example, the patient has eaten too hot or too hard food, resulting in an obvious wound at the root of the tongue, at this time, wait for about a week for the wound to heal on its own, and the pain will gradually disappear. 2. There is inflammation, ulcer or herpes at the root of the tongue, mainly herpes or ulcer caused by the patient’s decreased resistance, which is generally self-limiting and will heal on its own in about 7-15 days. The pain at the root of the tongue must be beware of the occurrence of tumors, malignant tumors are very likely to occur in the mucosal tissue at the root of the tongue, at this time, if the movement of the tongue is also restricted, you need to go to the maxillofacial surgery as soon as possible for examination and diagnosis.