The 21-step infertility screening method can start from both men and women together, and the detection system is more comprehensive, precise and targeted, which greatly shortens the treatment time of infertility. Among them, 11-step examination for female infertility: fallopian tubes, ovaries, uterus, cervical opening, vagina, ovulation disorder, pelvis, sex hormones, endocrine, immune factors, and systemic factors. 10-step examination for male infertility: testicles, seminal vesicles vas deferens, semen, urethra, epididymis, prostate, ejaculatory dysfunction, sexual dysfunction, sex hormones, immune factors. It is recommended that you and your lover go to the hospital for examination and treatment in a timely manner to avoid any missed diagnosis and treatment.