The main cause of varicose veins at the base of the tongue is that there is an obstruction of circulation in the oral cavity, which is caused by the weaker walls of the blood vessels under the tongue, high pressure on the veins, etc., so that the blood circulation is blocked and cannot return well. In this case, the main manifestation is that the veins at the base of the tongue are full and the blood vessels are thickened, sometimes it can be like spongy hemangioma and so on. Most of them do not need to be treated, do not cause significant discomfort, and do not require surgical treatment. If the varicose veins at the base of the tongue secondary to the development of venous mass that affects eating, pain, bleeding and other phenomena may occur and require special treatment. It is recommended to inject sclerosing agent to improve the symptoms under the guidance of the doctor. It is also important to maintain oral hygiene in normal life and go to the hospital for regular checkups.