Disease analysis: Kidney deficiency is a general term, mainly divided into kidney yang deficiency and kidney yin deficiency. The symptoms of these two syndromes are different. Patients with kidney-yang deficiency have chills, edema, cold pain in waist and legs, frequent urination, chronic diarrhea with sexual dysfunction, impotence, nocturnal emission and premature ejaculation. Patients with kidney yin deficiency can take Jinkui Shenqi Pill orally, and those who take Gui You Pill are mainly skinny, backache and weakness of lower limbs. It can be treated with prescriptions such as Liuwei Dihuang Pill, Baizhi Dihuang Pill and Zuogui Pill. Suggestion: The symptoms of kidney-yang deficiency can be treated with Jinkui Shenqi Pill and Gui You Pill.