Male reproductive examination, as follows: 1, need to check whether the external genitalia is normal, whether the penis is normal, whether there is hypospadias, phimosis or too long foreskin; 2, male genital examination should also check whether the development of bilateral testicles is normal, and whether the size, shape and position of bilateral testicles are normal; 3. Male reproductive examination should also check male endocrine. Through six hormone tests, we can find out whether the male testosterone level is decreased, whether the prolactin level is increased and whether the luteinizing hormone level is normal. 4, male reproductive examination should also check semen routine, generally need to abstain from sex for 3-7 days, and do semen routine examination within 3-7 days. Through routine semen examination, we can find out whether the liquefaction time of sperm is normal, whether the sperm abnormality rate is normal and whether the sperm activity rate is normal.