Sore throat, fever, fear of cold and other symptoms, common causes such as upper respiratory tract infection and acute tonsillitis. 1. Upper respiratory tract infection: Upper respiratory tract is mostly caused by viral infections, symptoms include sore throat, cough, runny nose, etc., and may cause dysfunction of the patient’s thermoregulatory center, resulting in fever and chills. 2. Acute tonsillitis: mostly caused by bacterial infections, when the body’s immunity drops, bacteria invade and multiply in the tonsils, common clinical manifestations such as sore throat, fever, chills, general weakness. Patients with sore throat, fever and chills need to go to the hospital in time for examination and use medication under the guidance of the doctor. And patients should eat a light diet, drink more hot water, eat more vegetables and fruits, which will help patients recover from the disease.