Children’s red heat in the ear at night, clinically there may be the following possibilities, some children are more active, often exercise and activities during the day, to the night patients may be all over the body in various places blood circulation accelerated, especially in the ear end of the blood circulation accelerated, which will lead to the ear appear red heat performance. In addition, some patients may be in a cold place during the day, and then at night after sleeping at home body will appear warm, resulting in accelerated blood flow in the ear, will also appear red feeling, especially in the north of the colder places may appear this situation. Of course, these conditions are normal and do not require special clinical treatment. Other manifestations are that some patients may have pain in the ear in addition to redness and heat, which may indicate auricular chondritis, and need to go to the ENT department to find a doctor for treatment. There is also a possibility that the child in addition to the redness and heat of the ear, there are localized itching, oozing and other manifestations, this case may be the manifestation of the outer ear eczema, may be related to what the patient ate allergies and so on. In the latter two cases, it is recommended to go to the ENT department and give treatment as soon as possible.