Upper respiratory tract infections are mainly divided into common cold, acute viral pharyngitis, herpes pharyngitis, acute pharyngoconjunctivitis, tonsillitis, etc., the condition is different, the performance is different, the common sneezing, pharyngeal itching, fever, photophobia, enlarged tonsils and so on. 1. Common cold: patients initially have dry, itchy or burning sensation in the pharynx, and sneezing, nasal congestion, watery nasal discharge, etc. After 2-3 days, the nasal discharge becomes thicker and is accompanied by sore throat, tearing, coughing, hearing loss, hoarseness, dyspnea and other symptoms. 2. Acute viral pharyngitis: the main clinical manifestations of the patients are itching and burning sensation in the throat, cough is relatively rare. 3. Herpetic pharyngitis: common manifestations are sore throat, fever, pharyngeal congestion, gray-white herpes on the surface of the tonsils and superficial ulcers, surrounded by a red halo. 4. Acute pharyngoconjunctivitis: patients mainly manifested as fever, sore throat, photophobia, tearing and so on. 5. Tonsillitis: patients will have obvious sore throat, chills, fever, etc., at the same time, there will be tonsil enlargement, congestion, pus secretion on the surface, submandibular lymph nodes are enlarged, pressure and pain. It is recommended that patients go to the hospital in a timely manner, under the guidance of the doctor, the relevant examination, according to the patient’s specific examination results, to take targeted treatment.