Laryngitis in children is divided into acute laryngitis and chronic laryngitis, of which acute laryngitis is accompanied by fever and chronic laryngitis is not accompanied by fever, clinically there is the following analysis: a. Acute laryngitis, the reason why acute laryngitis appears fever, mainly because most acute laryngitis secondary to upper respiratory tract infection, is induced by viral or bacterial infection, clinical symptoms are very serious, the development is particularly rapid, children can appear fever or even The clinical symptoms are very serious and develop very quickly. Children may have fever or even high fever, accompanied by hoarseness, inspiratory dyspnea and other related symptoms, and need to be treated clinically with anti-inflammatory, hormonal, nebulizing, antipyretic and other comprehensive treatments. Chronic laryngitis, which is not accompanied by fever, has a longer onset time and may be related to children’s frequent crying and incorrect pronunciation habits, and is clinically manifested by chronic congestion of the vocal cords.