Objective: To investigate the effects of clinical therapeutic and pharmacological actions “Shenkang Oral Liquid” on sexual function failing, senile nocturia. Results: Index of phagocyte, weight of seminal vesicle gland and content of testosterone in experimental rats with yang deficiency were observed by experiment.Results: “Shenkang Oral Liquid” could significantly raise index of phagocyte (k=0.0258?0.012), weight of seminal vesicle gland (24.07?1.99mg/10g) and content of testosterone (363?50.56pmol/mL) in rats with yang deficiency. Conclusion: “Shenkang Oral Liquid” shows enhancement effects on immune and sexual functions.