The site of egg production is the ovary, ovarian reserve assessment methods include: 1, ultrasound is the most common means, through the ultrasound can observe the number of sinus follicles on both sides of the ovary; 2, blood sampling: women appear menstruation on the second day can be through the blood sampling to check the endocrine pentameter; 3, can reflect the function of women’s ovaries, and is more sensitive indicators, clinically known as the AMH. through the blood sampling of endocrine examination, and other traditional methods. Sometimes there are disagreements. When the test report suggests that a certain hormone is elevated in the body and the ovarian reserve function may be poor, it does not conclude that the ovarian reserve has declined, because all tests are not absolutely accurate. Therefore, when a patient has another fasting blood draw and the result suggests a hormonal problem, a series of clinical investigations should be carried out, such as an ultrasound examination to see if the patient’s blood draw was timed appropriately and if a cyst is present. Secondly, the values of Müllerian tubes and AMH are combined to see if there is a problem. A woman who used to have a 30-day menstrual cycle, but whose menstrual cycle has now become 21-23 days and is slowly shortening, can have her ovarian reserve function comprehensively assessed by blood sampling. Patients with decreased ovarian reserve function should go to the hospital as soon as possible and be instructed to have a pregnancy as soon as possible. 4. In addition to blood sampling and ultrasound, the clomiphene test and temperature test can be used to find out the reserve function of the ovaries.