Men who are preparing for pregnancy can take Wu Zi Diffractor Pills and Sheng Jing Tablets as prescribed by the doctor. Wu Zi Derivative Zong Pills have the effect of tonifying the kidney and benefiting the essence (replenishing the kidney essence in the body); Sheng Jing Tablets have the effect of tonifying the essence and benefiting the kidney, nourishing yin and strengthening yang. 1. Wu Zi Diffractive Pill is mainly composed of Chinese wolfberry, Semen Cuscutae, Fructus Schisandrae, Fructus Schisandrae, etc. It is used for the treatment of yang due to kidney deficiency and essence deficiency. It is used for impotence and infertility caused by kidney deficiency and essence loss, spermatorrhea and premature ejaculation, lumbago, and residual leaking after urination. Pregnant women should not take, cold and fever patients should not take. 2. Spermatogenesis Tablet, mainly composed of antler, wolfberry, ginseng, cordyceps sinensis, cuscuta and so on. It is used for the deficiency of kidney yang (lack of yang energy in the kidney) resulting in lumbar and knee weakness (the feeling of soreness and weakness in the waist and knees), dizziness and tinnitus. This medicine contains He Shou Wu, and there may be a risk of liver damage from overdose and prolonged continuous use. You need to consult your physician or pharmacist when taking the drug.