The diagnosis of infertility is as follows: 1. Ask for medical history, if you have been married for more than a year without pregnancy and without contraception, you will be able to define infertility; 2. Check for other causes, infertility is divided into male and female infertility. In men, malformation and dysfunction of the reproductive tract, such as sexual dysfunction, abnormal sperm density, vitality, morphology and acrosome enzymes, can lead to infertility. In women, infertility may be caused by ovulation disorders, abnormal pelvic fallopian tubes, endometriosis, abnormal immune function and genetic abnormalities.