Preparing for pregnancy should do the following: 1, both husband and wife should strengthen nutrition, such as more protein, vitamin supplement, eat more fresh fruits and vegetables, and eat more fish. 2, both husband and wife in the sexual life especially pay attention to hygiene, to avoid causing the inflammation of the reproductive tract. 3, less to go to public places, to avoid causing upper respiratory tract infections and other diseases transmitted through the saliva. 4, do the corresponding Checks, such as eugenics five tests, AIDS, syphilis screening, liver and kidney function tests, ultrasound examination, to determine the basic health of the body is a good situation can be prepared for pregnancy.