Eating egg white for babies under one year old is likely to cause indigestion, allergies, etc., so it is best not to eat egg white. 1. Indigestion: babies under one year old are relatively young, gastrointestinal digestive function is not fully developed, gastrointestinal digestion and absorption capacity is still relatively weak. Egg white is a high protein food, although the nutritional value is high, but ate not easy to digest, easy to cause indigestion, resulting in diarrhea, bloating, loss of appetite and other symptoms. 2. Allergy: Because the protein molecules in egg white are relatively small, they can be absorbed into the bloodstream through the rectal wall. Eating egg white for babies under one year old is likely to cause allergy to foreign protein molecules, itchy skin and other symptoms, and may also trigger infantile eczema, urticaria, asthma and so on. Therefore, it is not recommended to give babies under one year of age to eat egg whites, so as not to affect the baby’s health, but also not conducive to the baby’s physical development. After the baby is one year old, parents can appropriately add egg whites to the baby, so that the baby can start to try to eat high protein food.