Small red dots on the tip of the tongue can be caused by liver fire or by poor oral hygiene due to fire, and small red dots may also appear on the tip of the tongue in the early stages of infectious diseases such as AIDS. The difference between the three types of red dots on the tip of the tongue is that, in addition to the red dots, a strong liver fire is accompanied by a thick tongue coating and a bitter mouth. When the fire causes poor oral hygiene, the small red dots on the tip of the tongue can easily form ulcers. If you have high-risk sexual behavior, you need to confirm the diagnosis with blood test if you suspect early stage of AIDS. Red dots on the tip of the tongue caused by liver fire can be properly treated with herbs to lower liver fire or drink more water, eat more cool food and avoid bad habits such as staying up late. Poor oral hygiene caused by fire can be appropriate to drink chrysanthemum tea or honeysuckle and other fire-removing tea drinks, rinse your mouth in time after meals, and take heat-removing medicine when the situation is serious. The red spot on the tip of the tongue has become an ulcer can eat more food containing more vitamin C, like kiwi or tomatoes can help ulcers heal, you can also choose to treat ulcers of drugs. Avoid spicy and stimulating food, mainly warm and cool. You can rinse your mouth with light salt water after meals. It is best to quit smoking and drinking to reduce external stimuli, maintain regularity in your life, avoid staying up late and ensure sufficient sleep. Keep your mood relaxed, which can effectively relieve the situation of fire and liver fire.