Ear discomfort in children may cause a fever, such as the more common middle ear infection. However, fever may also be related to other diseases, such as Kawasaki disease and upper respiratory tract infections. 1. otitis media: the disease is mainly due to viral or bacterial infections, this infection is usually secondary to colds, influenza and other infectious diseases of the upper respiratory tract, resulting in children with ear discomfort fever, accompanied by tinnitus, hearing loss, ear pain and other symptoms. 2. Kawasaki disease: the disease is mostly related to infection, but also may be caused by immune factors, genetic factors, resulting in children with fever, accompanied by skin rashes, mucous membrane congestion, lymph node swelling and other typical symptoms. 3. Upper respiratory tract infection: the common pathogen for the disease is a virus, only a few are caused by bacteria, may also cause the child fever, accompanied by sneezing, nasal congestion, coughing, chills and other symptoms. Children’s ear discomfort, fever, parents are advised to promptly lead the child to the hospital, under the guidance of the doctor, according to the patient’s specific performance, to take targeted treatment.