Children with blisters on the tongue, the first thing to clarify what the nature of the blisters, usually more common are herpes, blood blisters, oral ulcers, cysts, need to give specific treatment methods according to the nature. A. Herpes: 1. Oral herpes: caused by viral infection, mainly caused by herpes simplex virus infection. Generally, the blisters will break down in about 2-3 days after formation, forming a local ulcer that will heal automatically in about half a month, and can be treated with oral antiviral medication according to the doctor’s instructions and isolated at home. After diagnosis, in addition to isolation to avoid infection, according to the doctor’s instructions to take oral antiviral drugs, serious cases can be treated with antibiotics and glucocorticoids; 3, hand, foot and mouth disease: If the child has red spots or small herpes on the tongue, palms and feet, consider that it may be hand, foot and mouth disease. It should be immediately isolated from other children, sent to the hospital in time, and treated with anti-viral drugs to promote healing according to the doctor’s instructions. Second, blood blisters: may be accidental teeth bites, foreign objects scratch caused by mucosal blood blisters, this situation does not need excessive worry, about 2 days will slowly absorb healing. Third, mouth ulcers: ulcer surface is not herpetic, but there are people who use “herpes” to describe ulcers. It may be caused by low immunity, lack of trace elements vitamins, nervousness and other reasons, you can use watermelon cream spray locally on the wound, you can also give the child to supplement vitamin B2, vitamin C, etc., to help children recover. Attention should be paid to oral hygiene in daily life to avoid damage to the oral mucosa. Fourth, mucous gland cyst: mainly due to local trauma, duct system obstruction, the clinical manifestation is no obvious pain of translucent blisters, cysts are easy to be bitten through, and the flow of egg-white-like viscous transparent or slightly yellow liquid, the rupture is easy to form cysts again after healing, if it has affected normal life, it is necessary to take the treatment of surgical removal.