The baby’s isthmusitis is mainly caused by a viral infection, the main clinical symptom is that the baby’s sore throat is particularly obvious, sometimes not dare to swallow, drooling and even accompanied by high fever. In terms of treatment, we need to actively fight the virus, firstly, we give the patient Pu Di Lan anti-inflammatory oral liquid oral, and at the same time in the oral cavity spraying with the open throat sword spray, to promote the healing of the mucous membrane of the pharyngeal isthmus. If the child’s pain is particularly pronounced and accompanied by high fever, oral ibuprofen suspension can be considered for antipyretic and analgesic treatment. At the same time, you can also give the child ice packs cold compresses, can also be effective in lowering the temperature, active treatment for about a week, the child’s condition should be significantly improved. During this period, the child’s diet must pay attention to, try to eat room temperature fluid, do not eat too spicy stimulation or too hot food, avoid aggravating the symptoms of pharyngitis.