If a child develops aphthous ulcers on the tongue, the following treatment measures can be used to improve the situation. First of all, you can apply topical medication for children to relieve pain, because after the mouth sores on the tongue, it will lead to severe pain on the tongue, applying some topical medication, such as tin powder, watermelon cream, or open-throat sword spray, it will make the tongue pain for effective relief. Secondly, timely application of cephalosporin treatment is needed, if the mouth sores on the tongue are caused by bacterial infection, timely application of cephalosporin for anti-infection treatment. Then you can apply probiotics to regulate the bacterial flora treatment, because children’s mouth also has a lot of bacteria inside, the bacterial flora appeared to be disorganized, can also lead to long mouth sores, and often appear recurrent mouth sores.