The main functions of enzymes include promoting gastrointestinal peristalsis, excreting excess metabolic wastes in the body, regulating endocrine disorders, improving gastrointestinal absorption and metabolism, and regulating qi and blood. Enzymes are substances fermented from fresh vegetables and fruits. After entering the human body, its main function is to improve the metabolic peristalsis of gastrointestinal tract, thus increasing the content of nutrients in the body. Among them, vitamins can play a role in regulating endocrine system. For women, it can regulate qi and blood, discharge excess metabolic waste in the body and maintain menstrual stability. However, active bacteria need to be added to the enzyme, which will easily lead to the side effects of long-term diarrhea if it is taken for a long time or the safety effect is not up to standard. In addition, patients with sensitive physique are prone to allergies, and some enzymes have too high sugar content, which is not suitable for diabetic patients.