Lycium barbarum can improve human immunity, in the anti-tumor treatment can reduce the toxic side effects of cyclophosphamide, promote hematopoietic function recovery, elevate the number of white blood cells in the peripheral blood, the protective effect on the body. In addition, the efficacy and role of wolfberry and consumption also lies in the ability to inhibit fat deposition in liver cells, prevent fatty liver, promote liver cell neonatal, also inhibit the activity of monoamine oxidase, adding herbs can be used as a medicinal diet to eat. Monoamine oxidase is an enzyme widely found in different tissues of animals, such as plasma, brain, liver, etc., which catalyzes the oxidative deamination of monoamines. Elevated activity of monoamine oxidase is one of the causes of accelerated aging. Lycium barbarum also has the effect of lowering blood sugar and blood fat. From the immune theory and anti-free radical theory of two aspects of the discussion, goji berries delay aging more scientific basis, for the elderly in the future better use of goji berries to prolong life laid a solid foundation.