Infertility is not an independent disease. It is caused by a combination of various disease factors, especially infertility caused by certain causes that have no clinical manifestations or symptoms. Therefore, it requires doctors to have certain clinical experience to avoid repeated examinations and laboratory tests, which bring unnecessary mental and economic burdens to patients. Then, if the couple has lived together for one year without contraceptive measures and the woman is not pregnant, first of all, the couple should go to a hospital with conditions at the same time, and after the examination of the whole body and reproductive organs, if the woman’s menstrual cycle is normal and there are no special diseases, and if the semen of the man is normal in both examinations, the woman needs to do the following systematic examinations according to the preliminary clinical analysis. Generally there are the following: 1. ovarian pituitary function examination 1. basal body temperature measurement (BBT), every morning in the resting state under the tongue for 5 minutes, and the temperature will be recorded in a special form, such as three shifts of workers, measured after 4-6 hours of sleep can also be measured to the monthly cycle, normal women’s basal body temperature under the influence of ovarian function is biphasic, in order to understand the date of female ovulation, the The basal body temperature of normal women is biphasic under the influence of ovarian function. 2. Sex hormone test. Cervical mucus examination can help to understand the presence or absence of ovulation and luteal function. Endometrial pathological examination is a method to understand the presence or absence of ovulation or the status of luteal function. It can also understand the size of the uterine cavity, internal and external cavity lesions such as tuberculosis and myoma. Tubal patency test The examination methods include iodine oil imaging of the uterine tubes, tubal lavage and aeration test. This can find out whether the fallopian tubes are patent or not. V. Post-coital test and in vitro sperm penetration test This can understand the motility of sperm, etc. Immunological examination Immunological examination can detect AsAb in the blood. Antibodies can cause sperm agglutination or can lose motility and cause infertility. Seven, chromosome examination The above methods require certain conditions and equipment, so patients suffering from infertility need to go to regular and conditional hospitals, after scientific examination and laboratory tests, in order to achieve the desired results.