1. Children are generally healthy. If there is no doctor's advice, it is not suitable for eating enzymes, because there are many enzymes in the child's body. If they eat enzymes blindly, it will only bring harm to their health. 2. Pregnant women, pregnant women are a special group. In order to meet the needs of mothers and babies, expectant mothers have been supplementing various nutrients in their daily diet, and their bodies are in a very stable state. We should not upset this balance. If pregnant women blindly eat enzymes, it will lead to changes in the body, which is likely to affect the health of the fetus.