Herpes isthmus is a highly contagious disease that occurs mainly in infants and young children and can be spread through the fecal-oral route as well as the respiratory tract. Herpes isthmus is a disease that occurs in spring and summer, mainly in infants and young children with low immunity. The main pathogen is enterovirus, mainly Coxsackie virus type A. Herpes isthmus is mainly transmitted through the fecal-oral route and the respiratory system, and is a very contagious disease that can cause widespread infection among the surrounding population in a short period of time. After the onset of the disease is mainly symptomatic treatment, once there is obvious sore throat and pharyngeal isthmus ulceration, you need to consult a doctor in time to observe and diagnose the condition after standardized treatment, to avoid delaying the condition.