Infertile couples should preferably be seen at the same time, and those who are not first-time patients should bring the results of various tests or medical records that have been done previously in order to treat and save time. The doctor will perform the necessary tests on both men and women according to their condition, some of which can be performed on the same day, while others are scheduled for a later date. Generally, the male partner needs to do the following examinations and preparations: ① Routine semen analysis, external genital examination, selective endocrine determination, testicular biopsy and other examinations. ②Ensure that there are no infectious diseases of the reproductive tract. Good general physical condition. Abstain from sex for 3 to 5 days before artificial insemination, masturbate for sperm on the day of artificial insemination, clean your hands and the area around the penis before taking sperm, pay attention to keep the sperm collection cup sterile when taking sperm, and ensure the integrity of the sperm collection. Before performing artificial insemination, the couple should receive counseling on artificial insemination and undergo health assessment in terms of physiological, psychological and social factors, and the couple should agree and accept the agreement on the implementation of artificial insemination, and the doctor and patient should sign the agreement together and have it notarized. Generally, artificial insemination is performed once in each line before and after ovulation. Anyone who meets the following conditions and does not violate China’s marriage law and family planning policy can receive artificial insemination by husband and sperm. 1.The male partner is impotent, premature ejaculation without ejaculation or retrograde ejaculation. 2.Severe hypospadias of the male partner. 3. Abnormal semen quality: ① Semen volume <1ml. ② Sperm density <20×10/ml in two consecutive examinations. ③ Forward motion sperm <50%. ④ Poor liquefaction or non-liquefaction of semen. 4. Vaginal spasm or excessive cervical stenosis in the female partner. 5.Cervical factors: such as abnormal cervical mucus, etc. 6. autoimmune factors of the male or female partner, or immune factors of the female partner against the male partner's semen. 7. Unexplained infertility: no abnormality is found in both the male and female partners after routine clinical examination for infertility.