Pediatric pharyngitis is mostly caused by viral infections, but individual children may also have bacterial infections, and it occurs in children aged 3 to 10 years. The main clinical symptoms are as follows: i. Fever. At the beginning, there may be an incubation period, and the early stage may be a low fever. When the disease is serious, high fever may appear, even to about 41 degrees, and such children are accompanied by general discomfort and chills, and individual children with particularly high fever may have febrile convulsions and general convulsions. Second, sore throat. Infants and toddlers may cry, become irritable, dislike eating and drool, and older children may say that their throats are particularly sore, that they are restricted in opening their mouths, that they cannot swallow, and that they vomit, and that such children may have general muscle pain and immobility. During the examination, it is usually seen that the pharynx and uvula are diffusely congested, the tonsils may be congested or have a grayish white pseudomembrane, and a herpes may appear in the isthmus with a red halo around the herpes.