[Pharmacological Action] The recent research shows that the Tribulus terrestris P.E. can irritate the testis to secrete male-hormone which can cure impotence, lack of sexual desire and little sperm containing. The Tribulus terrestris P.E. is used as medicinal herbs to cure diuresis and relieve pain. And it also can enhance muscle, reduce cholesterol, relieve calculus, and control the disordered uroloqical system.