Herpes pharyngitis is contagious. Herpetic isthmus is mostly seen in children under 6 years old, belongs to a kind of enteroviral infectious disease, is highly contagious, once the herpetic isthmus is present, it can be transmitted through the respiratory tract, digestive tract, etc., and easily passed to other healthy children. Therefore, once herpes pharyngitis is diagnosed, isolation measures should be taken in a timely manner. It is recommended to isolate yourself at home, change your daily necessities frequently, do not go to crowded places to prevent spreading the disease to other healthy people, and sterilize tableware and toys at high temperature or with alcohol. Herpes pharyngitis is a self-limiting disease symptoms, the condition is relatively mild children in general in about a week can be self-healing; more serious symptoms of children can be timely under the guidance of the doctor, through the use of antiviral drugs to carry out the treatment, clinically more common antiviral drugs are ribavirin, interferon, etc.; sore throat symptoms are more serious children, you can use salt water gargling, and the use of pharyngolysin, pharyngolysin, and the use of alcohol disinfection, the use of alcohol, and so on. For children with severe sore throat symptoms, they can be treated by gargling with salt water and using topical medications such as pharyngolaryngeal elixir and ice boron powder. However, some HFMD can also manifest as herpetic pharyngitis in the early stage. Pay attention to the presence of heavy HFMD manifestations, such as limb shaking, poor mental health and other symptoms, and seek prompt medical attention if they occur.