I. Artificial insemination by husband (AIH) is an assisted reproductive technology to inject the husband’s semen directly or after treatment into the female reproductive tract through non-coital means, so that the natural union of sperm and egg can achieve pregnancy and fertility, which is one of the infertility treatment methods. Indications for artificial insemination: 1. Male infertility due to mild oligospermia, weak sperm, abnormal semen liquefaction, sexual dysfunction, genital malformation, etc. 2, female infertility due to abnormal cervical factors. 3, infertility due to genital tract abnormalities and psychological factors leading to inability to have intercourse. 4, immune infertility. 5, infertility of unknown origin.