Children’s fever, oral blistering, mostly caused by infected viruses, can take the following therapeutic measures: 1, the body temperature is lower than 38.5 ℃, can drink a lot of water, accelerate the circulation of body fluids, promote the discharge of toxins, but also cold compresses, through the physical cooling of the body temperature to return to normal. When the body temperature is higher than 38.5 ℃, you can apply antipyretic drugs, supplement fluids if necessary, correct the acid-base balance, and intramuscular injections of antiviral drugs such as Banlangen injections.2. When a large number of blisters are formed in the oral mucosa and ulceration occurs, you can apply physiological saline rinsing, iodine pov sterilizing and then applying medications such as Rehabilitant New Liquid, to accelerate the healing process.3. The child should ensure adequate sleep and rest, and supplement vitamins if necessary, Trace elements, etc.