For men, bullwhip has the effect of tonifying the kidney and strengthening the yang (tonifying the kidney yang), dispersing cold and relieving pain (relieving pain by dispelling cold in the body), and is suitable for impotence, spermatorrhea, enuresis, tinnitus, etc., which are caused by kidney yang deficiency. Bullwhip is warm in nature, sweet and salty in taste, with the effect of tonifying the kidney and strengthening the yang, dispersing cold and relieving pain, suitable for male impotence caused by kidney yang deficiency, spermatorrhea, dysuria, tinnitus, lumbar and knee weakness (lumbar and knee soreness and weakness of the feeling), hernia, etc., and the female uterine cold and infertility can be used as well. Bullwhip can be combined with other medicines, such as Epimedium, Cuscuta, Cumin, etc., to treat male impotence, dyspareunia, hernia, etc., but it is recommended that the doctor selects the medicines and combines them. Note that bullwhip is warm in nature, and should not be used by those who are suffering from yin deficiency (deficiency of yin and essence in the body, resulting in hyperactivity of deficiency fire), or those who are suffering from excessive heat in the interior of the body.