Ear burning refers to the acceleration of blood circulation in the ear and the appearance of high skin temperature, which may be caused by infection, allergic factors, sympathetic nerve excitation and so on. 1. Among the infectious factors, trauma can easily cause inflammatory reactions in the ear, and the main clinical manifestations include burning, redness, swelling and pain in the ear. If the body has a fever, the blood circulation of the whole body will be accelerated, and the ear will also be hot. 2. Caused by allergic diseases of the auricle, such as limited bulging of the auricle with elasticity after contacting allergens, and also swelling, burning and itching sensation of the auricle. 3. After emotional excitement and exercise, the sympathetic nerves are excited, and the blood circulation in the head, face and neck is accelerated, and the ear may also become hot. If the fever persists and is accompanied by other abnormal symptoms, it is necessary to go to the otolaryngology department of the hospital in a timely manner, and improve the relevant examinations and standardized treatment under the guidance of the doctor.