Artificial insemination, or IUI, is suitable for men who are infertile due to sperm problems, as well as for women who are infertile due to vaginal and cervical disorders. Artificial insemination is a kind of assisted reproduction technology, through the use of non-sexual intercourse in the female ovulation period, the optimized sperm, delivered to the female reproductive tract in order to promote the woman’s fertilization, the clinical indications are mainly the following two aspects. 1. Male factor: infertility caused by male sperm quality or delivery problems, such as severe weak spermatozoa, oligospermia and dyszoospermia, ejaculation disorders, vasectomy failure. 2. Female factors: cervical lesions such as cervical stenosis, cervical erosion, cervical adhesions, or malformations of the reproductive tract. People who are eligible for artificial insemination should go to a professional organization, pay attention to regular work and rest, eat a light diet, quit smoking and drinking, and regulate the body to the best state.