Pediatric herpes pharyngitis is mainly caused by coxsackie group A virus infection, is a common infectious disease, mainly in children under 5 years of age, fecal-oral or respiratory transmission, most often in the summer and autumn, the onset of the disease is rapid. The main clinical manifestations are high fever, sore throat, salivation, anorexia, etc. Greyish-white ulcers can be seen on the mucous membrane of the isthmus, soft palate and uvula of the baby, which usually break down to form small ulcers in about 2 days. The course of the disease is about 1 week, and the general symptoms can slowly heal themselves after 4-6 days.