There are many causes of male infertility, as follows: 1, common causes are reproductive tract infections, such as genital tract mycoplasma, chlamydia, pus cell infections, which can lead to sperm abnormality; 2, congenital factors such as chromosomal abnormalities, chromosomal abnormalities can lead to oligozoospermia and weak teratospermia caused by male infertility; 3, immunologic factors, immunological factors mainly refer to the presence of antisperm antibodies, which exists in seminal plasma, and their The presence of anti-sperm antibodies in the seminal plasma can lead to female embryonic sterilizations and a decrease in the probability of male fertilization; 4, varicocele, varicocele is a very common organic factor leading to male oligozoospermia, weak spermatozoa and even necrospermia, which leads to an increase in the temperature of the testes, resulting in a decrease in the spermatozoa antioxidant capacity and spermatozoa vitality; 5, male sexual dysfunction, such as impotence, premature ejaculation and ejaculation disorders, is one of the factors leading to male infertility, and ejaculation is one of the factors causing male infertility. In sexual dysfunction, such as impotence, premature ejaculation, and ejaculation disorder is one of the factors leading to male infertility.