Children can take it appropriately under the guidance of a doctor if they have hypoproteinemia, etc. Children who are healthy and have a normal diet do not need to supplement protein powder. Protein powder is a kind of plant protein extracted from soybeans, which is a food nutritional supplement for specific groups of people, such as those with poor appetite, indigestion and other causes of insufficient protein intake, affecting growth and development. As well as hypoproteinemia, need to short-term protein supplementation, can be appropriate under the guidance of a doctor to consume protein powder. However, children who are healthy and have a normal diet can consume enough adequate protein from food, such as eggs, various meats and seafood, which are rich in high quality protein. Already meet the needs of body growth and development, this situation is not recommended to supplement protein powder. If children are allergic to protein powder, they should not consume it, so as not to cause rashes and other allergic reactions.