There are various causes of male infertility, which causes of infertility can be cured and which cannot be cured? (1) The common infertility that can be cured are ① Infertility caused by sexual dysfunction, such as ejaculation, retrograde ejaculation, ED, premature ejaculation and other causes of infertility. ② infertility caused by reproductive and urinary tract infections, such as prostatitis, epididymitis, gonorrheal urethritis and so on. ③ Immunologic infertility. ④ Infertility caused by varicocele. ⑤ Infertility caused by certain foods or drugs, such as consumption of cottonseed oil. (2) Infertility that can not be cured is common ① support cell syndrome, that is, the lack of spermatogenic cells can not produce spermatozoa, no spermatogenic ability. (2) Gender dysphoria, commonly known as intersex. That is, due to sex differentiation and gonadal development abnormality and the appearance of external genitals or even internal and external genitals with hermaphroditic characteristics, or gonads and external genitals of the opposite sex. ③ Congenital testicular hypoplasia syndrome. This disease is also known as small testis syndrome with small testis, hypoplasia of seminiferous tubules or hypoplasia of mesenchymal cells, which belongs to the category of “heavenly eunuchs” in Chinese medicine. Kallmann syndrome, also known as hypogonadotropic gonadal dysgenesis with olfactory dysfunction, is an autosomal dominant or incomplete dominant hereditary disease, and belongs to the category of “Tian Huan” in Chinese medicine. ⑤ Idiopathic hypogonadotropic hypogonadotropic hypogonadism belongs to the category of “Tian Huan” in Chinese medicine. It should be pointed out that the cure and incurable infertility are relative, not absolute. Therefore, when the specific problem of specific analysis, suffering from infertility can not be cured, or to the regular hospital.