The best medicine for men to supplement both yin and yang is Jin Kui Kidney Qi Pill. Jin Kui Kidney Qi Pill is a very famous Chinese patent medicine. Jin Kui Kidney Qi Pill has other names, such as Gui and Pai Wei Eight Flavors Pill, Eight Flavors Kidney Qi Pill, Eight Flavors Di Huang Pill, etc. It is Six Flavors Di Huang Pill with Gui Zhi and Pai Zi. In the instruction, Jin Kui Kidney Qi Pill has the effect of warming kidney yang, transforming qi and moving water, and is used for treating edema, soreness and weakness of the waist and knees, unfavorable urination, and coldness in the extremities due to kidney deficiency. In clinical practice, JKP Pill is very widely used for various patients with kidney deficiency and Yang deficiency. Patients with kidney yin and yang deficiency in men often show weakness, easily fatigued, easily sick, or develop male diseases and sexual dysfunction, and often use Jin Kui Kidney Qi Pill, which belongs to the most classic prescription for kidney supplementation, and many important and prescriptions for kidney yang supplementation are made on the basis of Jin Kui Kidney Qi Pill with addition, reduction and tailoring.