When there is inflammation or allergy in the pharynx, it can cause congestion and swelling of the pharynx, which is manifested in the uvula, and the uvula can become longer and thicker. Specifically, the uvula can touch the back of the tongue, causing a foreign body sensation. The thickening is mostly caused by swelling of the uvula, which means that the uvula falls off. Treatment depends on the cause of the uvula dropping and is based on the treatment. If it is caused by inflammation, oral cefprozil, etc., allergy can be used for levocetirizine, etc., local saline gargling, nebulized inhalation, etc., to reduce the edema of the uvula, which is conducive to the shortening of the uvula, and restore the normal shape. Therefore, the small tongue falls down, mainly according to the size and shape of the uvula, and the symptoms caused by the judgment.