Children’s red hot ears do not necessarily represent some kind of problem, may be related to physiological factors, may also be mosquito bites, allergies and other factors lead to. 1. Physiological factors: If the child is usually overstressed or often in a higher temperature environment, it may lead to increased blood circulation, and therefore the symptoms of red hot ears. 2. Mosquito bites: If the child’s ears are bitten by mosquitoes, the skin will have a stress reaction after the mosquito bite, which may produce red hot ear symptoms. 3. Allergy: contact with allergic substances may lead to skin allergic reactions, so the red hot ear symptoms, but also may be accompanied by itching, pain and other reactions. If the child’s symptoms are obvious, parents are advised to take the child to a regular hospital for examination and targeted treatment.