In order to be able to conceive a healthy baby, both spouses need preconception tests and no abnormalities before they can prepare for pregnancy. The tests that women need to do are as follows: 1. Blood tests. Blood test for eugenics, thyroid function, AIDS, syphilis, routine blood type, liver and kidney function, blood sugar, hepatitis B. Women with irregular menstruation also need to check sex hormone six. 2. Gynecological ultrasound. To understand whether there are organic lesions in the reproductive organs. 3. To do routine white belt, cervical TCT and HPV examination to exclude gynecological inflammation and cervical diseases. The preconception checkups for men are relatively simple, generally screening for HIV, syphilis, hepatitis B and other infectious diseases, and semen examination can be done. During the preparation period, eat a light diet, eat more protein-rich foods, quit smoking and drinking, and pay attention to rest.