Icariin has the functions of increasing cardiovascular and cerebrovascular blood flow, promoting hematopoietic function, immune function and bone metabolism. 1. The effect on endocrine: Icariin can promote sexual function due to hyperactive semen secretion, after the seminal vesicle is full, it stimulates sensory nerves and indirectly stimulates sexual desire. 2. Influence on immune system function: The number of T cells in patients with kidney deficiency Chemicalbook, lymphatic turnover rate, antibodies, antigens and phagocytosis of the reticuloendothelial system are low, and can be improved after treatment with epimedium and other kidney-tonifying drugs. 3. Anti-aging effect: Icariin can affect the aging mechanism from different aspects. For example, it affects the passage of cells, prolongs the growth period, regulates the immune and secretory systems, and improves the metabolism of the body and the function of various organs. 4. The effect on the cardiovascular system: icariin on the posterior pituitary.