Ensure a reasonable diet and balanced nutrition. Among them, vitamins and minerals are essential nutrients for human body; The human body cannot synthesize vitamins and minerals, but vitamins C, B and iron are particularly important to the human body. Therefore, multivitamin tablets should be properly supplemented every day. Supplementing enzymes, due to bad diet, living habits and environmental pollution in urban life, leads to a large number of enzymes missing in the body, and toxins are deposited in the body, thus affecting health. Therefore, the lack of enzymes is the chief culprit of aging, and the intake of supplementary enzymes can provide material conditions for the repair of these damaged tissues and effectively solve the sub-health problem.