Baby an ear redness, fever to consider several possible situations, seen in the baby in too cold or too hot environment to stay too long, resulting in the ear skin surface capillaries congestion, redness, swelling, fever state. This is a natural physiological stress response, without special treatment; the other common baby temperature rise, the body has pathogens invasion, such as viruses, bacteria, etc., and cause the body’s inflammatory response, the body temperature increases, resulting in redness and fever in the ear. At this time, you can test the blood routine, clarify the cause of the disease, and carry out etiological treatment.