1, the male side are common (1) weak spermatogenesis; (2) oligospermia; (3) deformed spermatogenesis; (4) azoospermia; (5) semen not liquefied or incomplete liquefaction; (6) sexual function abnormalities such as erectile function abnormalities, ejaculatory function abnormalities. 2, the female side is common (1) ovulation abnormalities such as anovulation, follicular failure, follicular failure; (2) tubal abnormalities such as tubal opacity; (3) uterine abnormalities such as endometrial polyps.