Upper respiratory tract infections are one of the most common diseases of the respiratory system, including infections of the nose, throat, and pharynx, and are generally referred to as upper respiratory tract infections. However, the clinical manifestations of infections in different parts of the upper respiratory tract are not always the same. For example, in nasopharyngeal infections, the cough stimulated by secretions is often predominantly nocturnal; in paranasal sinusitis, in addition to a persistent cough, it is often accompanied by pressure pain in the sinuses; while in pharyngitis, in addition to cough, the symptoms of itching and dryness in the pharynx are more pronounced; in pediatric laryngitis, the manifestation is a special hoarseness, similar to a broken bamboo cough. According to the characteristics of clinical manifestations, they are divided into: common cold type, influenza type, pharyngitis type, herpes pharyngitis type, and pharyngeal conjunctival fever type. Most upper respiratory tract infections are caused by viruses. As long as the child is in good spirits and his diet is not significantly affected, he can take oral antipyretic and detoxifying drugs to see, not necessarily all infusions, especially not all antibiotics. It is recommended to go to a regular hospital to see, do not buy your own medicine treatment.