Sore throat in summer may be caused by acute pharyngitis and acute tonsillitis due to the hot summer climate, excessive sweating and insufficient water supplementation; or air-conditioned room temperature is too low and cold. 1. Acute pharyngitis: acute inflammation of the pharyngeal mucosa, submucosal tissues and their lymphatic tissues, which can be caused by viral infections, bacterial infections, and physical and chemical factors such as high temperature and dust. The main clinical manifestations are pharyngeal dryness, sore throat, burning sensation, and may be accompanied by fever, headache and other symptoms. 2.. Acute tonsillitis: non-specific inflammation of the palatine tonsils, mostly caused by B hemolytic streptococcus infection, its main manifestations for the pharyngeal pain, aggravated by swallowing, the pain can be radiated to the ear, can be accompanied by fever, chills and other symptoms. Sore throat in summer, it is recommended that the hospital consultation, diagnosis and clear treatment.