For the situation of children’s rotten mouth, the following methods can be used to deal with: 1, you can apply acyclovir ointment to children. If the rotting mouth is caused by herpes virus, apply acyclovir ointment to children in time, which can play a good therapeutic role.2. Cephalosporin or amoxicillin can be applied to children. If the rotting mouth is caused by bacterial infection, the timely application of cephalosporin or amoxicillin to combat bacterial infection, bacterial infection control after the rotting mouth will soon be better. 3, need to give children timely application of vitamin B complex tablets. Some children’s mouth is rotten, is due to the lack of vitamin B caused by the body, this time the application of vitamin B complex tablets can be faster to improve the symptoms of rotten mouth.