Free marriage examination 12 items, the examination content is mainly, statutory infectious disease examination, including AIDS, gonorrhea, syphilis, hepatitis B and so on through blood sampling. Reproductive system deformity screening, through gynecological internal examination, vaginal secretion examination, ultrasound, congenital genetic disease screening, chromosome examination if necessary, psychiatric screening, routine blood and urine examination, eugenics four tests, mycoplasma, chlamydia examination. All of these tests are necessary, and the combined cost of the tests is about 600 dollars. After marriage, in order to have a healthy baby, free marriage examination, which can screen for some diseases and help eugenics, can be done at the maternal and child health care institution where the household registration is located.