A sore throat in spring can be caused by physiological or pathological factors, and common pathological factors include tonsillitis and allergic pharyngitis. 1. Physiological factors: usually the temperature and humidity changes in the spring are relatively large, the human body sometimes can not quickly adapt to the environment and climate change, it is easy to cause dehydration of the mucous membrane of the pharynx, and if you work too much with your voice, it is easy to lead to sore throat. 2. Tonsillitis: due to the alternation of cold and heat in spring, it is easy to make the body cold, if the body’s immunity is relatively low, it is easy to cause tonsillitis, which leads to the patient to appear the symptoms of a sore throat, but also accompanied by fever, vomiting, coughing, fatigue and other manifestations. 3. Allergic pharyngitis: Because the air in spring often contains pollen, willow allergens, it is easy to induce allergic pharyngitis, sore throat, pharyngeal foreign body sensation and other symptoms. If you have a sore throat in spring, it is recommended that you go to the hospital in time to find out the cause and treat the symptoms, and drink more water in your daily life and pay attention to protecting your voice.