The male infertility refers that in the child-bearing age, husband and wife living together for more than 2 years (it is 1 year in WHO stipulation) and having not taken any contraceptive measure, while the wife can not to be able to become pregnant because of the reproductive disfunction of the husband. Clinically, it is divideed into absolute infertility (aspermatism) and relative infertility (oligospermatism) according to the sperm situation; it can also be divided into the primary infertility (after marriage the husband can never cause the wife to become pregnant) and the secondary sterile (the wife once had birth or became pregnant) according to the morbidity process.

Generally the reasons to male infertility include environment contamination, venereal diseases transmission, drugs taking, excessive drinking, excessive smoking, metal stress, drug abuse and so on. The male infertility belongs to "does not have child" and "dose not have heir"in TCM. And it is relevant with liver, spleen and kidney function being out of balance, particularly with insufficient kidney Yin and kidney Yang. Male infertility is mostly caused by deficiency of both QI and blood, phlegmatic hygrosis, humid heat and qi-stagnancy and blood stasis. The therapeutic principle includes invigorating the kidney, nourishing yin to lessen fire for the deficient syndrome, eliminating phlegm by cooling, damp elimination for the sthenia syndrome.