Baby sore throat fever is considered to be caused by purulent tonsillitis, herpes pharyngitis, thrush and other diseases. 1. purulent tonsillitis: can also lead to the baby’s sore throat, and will be accompanied by chills, high fever, headache and other symptoms, and the child in the swallowing, will stimulate the lesion, pain. 2. Herpetic pharyngitis: the onset of the disease is acute, the child will have a sudden fever, sore throat and other discomforts, and can be seen in the child’s throat with scattered gray-white herpes. 3. Thrush: a disease caused by Candida infection of the oral cavity, the baby’s oral mucosa, pharyngeal mucosa, etc., there can be a white film, and not easy to erase, and will be accompanied by pain and other discomforts, leading to the baby’s self-consciousness of the sore throat, and some of the affected children may also have a fever. In addition, there are many other causes can cause the baby sore throat fever, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, and actively cooperate with the doctor for treatment.