Pain at the root of the tongue, even swallowing are painful: First, consider the reaction of inflammation, if the patient ate too hot food, resulting in a burned tongue mucosa, swallowing when eating is painful, but the pain lasts about a week will gradually reduce. Secondly, consider that there is an ulcer at the root of the tongue, and if the patient has an ulcer, there may be repeated ulcer attacks in other parts of the body, which can be promoted by using watermelon cream to heal the ulcer. Thirdly, the patient should be most alert to the tumor at the root of the tongue. The tumor of the tongue is mainly posterior to the root of the tongue, and its location is relatively hidden, and there will not only be pain when swallowing, but also the patient may have difficulty in eating, so it is necessary to go to the dental hospital for a clear diagnosis in time.