2. Myrica rubra has a certain effect of warming kidney and strengthening yang, and has a very good effect on impotence, premature ejaculation and low back pain caused by kidney deficiency. Not only male friends can take Myrica rubra, but also female friends can take it, which can effectively alleviate the phenomenon of sexual apathy. If you have frequent sexual behaviors, you can drink bayberry in water, which can effectively prevent kidney deficiency. Male friends can add or subtract some traditional Chinese medicines according to their actual symptoms, which can also play a synergistic role.