Sore throat and tongue, low fever, may be related to acute kata tonsillitis, acute pharyngitis, upper respiratory tract infection. 1. Acute Catarrhal Tonsillitis: usually caused by viral infections, the inflammation is limited to the mucous membrane on the surface of the tonsils, and may present with symptoms such as low-grade fever, headache, lack of appetite, fatigue, etc., sore throat, and painful swallowing. 2. Acute pharyngolaryngitis: there may be pharyngeal pain, dysphagia, tongue pain, headache, hoarseness, cough, fever, joint pain and other symptoms. 3. Upper respiratory tract infections: often appear after getting cold, such as throat discomfort, runny nose, nasal congestion, dry cough, fever, tongue pain and other symptoms. Sore throat and tongue pain, low fever, may also be herpes in the throat, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.