The purpose of preconception checkups is mainly to find abnormalities and solve them during the preparation period, so as to prepare for pregnancy with confidence, so that these conditions will not affect the growth and development of the fetus, as well as the life safety of the pregnant woman. 1.Measure blood pressure and weight. To exclude primary hypertension, high weight needs to be controlled so as not to affect pregnancy, and to enhance nutrition if it is too low. 2. Check fasting blood sugar and blood count. To rule out diabetes, anemia, etc. 3. Routine electrocardiogram check during pregnancy preparation is to exclude some patients with heart disease so as not to be affected after pregnancy. 4. Routine gynecological examination, vaginal discharge, cervical exfoliation cytology and gynecological ultrasound examination. To exclude gynecological inflammation and uterine abnormalities. 5.Eugenics five, early determination of whether there is a virus, so as not to cause pre-miscarriage or embryonic dysplasia. 6, hepatitis B five and other infectious diseases, to exclude hepatitis B, syphilis, etc., early detection and timely treatment or vaccination. 7. Thyroid function tests are also important before pregnancy preparation to exclude hypothyroidism or hyperthyroidism to avoid affecting the growth and development of the fetus. 8, oral examination, oral disease before pregnancy can be re-examined, usually quite good, you can not check, just pay attention to oral hygiene can be. There are more items in the pre-pregnancy examination, mainly the assessment of the general state, to exclude whether there is anemia, heart disease, hypertension, diabetes and whether the uterus is suitable for pregnancy.