There are uterine factors, tubal factors, ovarian factors, endocrine factors, immune factors, as well as infection factors and genetic factors that can lead to female infertility. Around these factors of infertility, various necessary examinations should be performed, as follows: 1. Ultrasound examination, which can exclude adenomyosis, uterine fibroids, ovarian tumors, ovarian chocolate cysts, hydrosalpinx, endometrial polyps, uterine adhesions and monitoring ovulation, can be performed; 2. Endocrine examination, including A gong, six female hormones, blood sugar, insulin and other examinations; 3, Immune antibody examination, such as anti-sperm antibody, anti-endometrial antibody, anti-ovarian antibody, anti-cardiolipin antibody, anti-nuclear antibody, closed antibody and a series of other examinations, which can check some diseases of the immune system and can determine whether there is incompatibility of related antigens and whether there are autoimmune problems leading to infertility; 4. Examination of infectious factors, including eugenics examination, such as toxoplasma, rubella virus, The above factors can lead to infertility and child malformation, as well as routine examination of the white belt, including mycoplasma, chlamydia and gonococcus, and HPV infection, because HPV can also cause infertility and can even travel up to the uterine cavity and cause infection in children; 5. If you suspect that infertility is caused by tubal factors, you can undergo tubal imaging or combined hysteroscopy and laparoscopy; 7. related examination. In short, the relevant examinations should be conducted around the cause and symptoms of the patient in order to find out the real cause of infertility.