Red dots on the tongue may be caused by lingual inflammation and mouth ulcers, which can be treated with medication or gargle. 1. Tongue inflammation: the main symptoms after the attack of tongue inflammation are congestion, swelling, irritation and pain, red dots on the tongue and so on. In this case, patients can use anti-inflammatory drugs under the guidance of the doctor, such as metronidazole, cefuroxime, etc. Oral hygiene should be maintained, and attention should be paid to gargling with water after meals. 2. Mouth ulcers: red dots on the tongue may be caused by mouth ulcers, accompanied by oral pain, dry mouth and other symptoms. Mild mouth ulcers can be mostly self-healing, if the ulcer range is large or serious pain, you can use lidocaine gel, benzocaine gel and other drugs external, at the same time, with chlorhexidine solution, potassium permanganate solution and other gargles with the treatment. Red dots on the tongue is recommended to go to the hospital for consultation, after clarifying the cause of the disease, according to the doctor’s guidance for reasonable medication and standardized treatment.