Usually there are many eating habits and food varieties, which can be generally divided into plants, animals and minerals. In modern food, some chemically synthesized foods, such as saccharin, acetic acid, citric acid, essence and synthetic dyes, are often used, which will cause allergic reactions of food and lead to eczema. Jinan Zhongyan skin is more professional, mainly in follow-up prevention, and Qilu is better at pediatrics. Paying more attention to yourself at ordinary times can reduce a lot of unnecessary troubles. It is wise to look at the problem as soon as possible.