Icariin can increase cardiovascular and cerebrovascular blood flow, promote hematopoietic function, immune function and bone metabolism, and has the effects of tonifying kidney and strengthening Yang, anti-aging and anti-tumor. Endocrine effects: Icariin can promote sexual function due to hypersecretion of semen, spermatocyst full, stimulate sensory nerves, indirectly excited libido caused by (refer to related literature)