Generally, the causes of herpes in the throat and recurrent fever in children are mainly due to infections, such as enterovirus, coxsackie virus or EV71 virus infection, which will cause herpetic isthmus in children. In this case, the child will have herpes in the throat, and the throat pain is very intense, drooling, anorexia and a series of other symptoms, and even more serious symptoms of poisoning will cause fever. As the degree of infection in children is relatively strong, they will have recurrent fever, and should be treated with antiviral treatment in time, such as applying the oral solution of blue scutellaria which clears heat and removes toxins, or the oral solution of pandan anti-inflammatory solution.