Marriage test is a pre-marital examination, which is not mandatory and is decided on the basis of discussion between the two parties to the marriage. It is recommended that families who are in a position to do so should take a marriage test, which will be beneficial to their future married life. Pre-marital examination is not mandatory, both parties in the voluntary situation to carry out marriage examination, marriage examination is not a mandatory procedure for marriage registration. However, it is recommended that families in a position to do so should still undergo a premarital examination. Through a comprehensive premarital physical examination, both parties can detect some abnormalities and diseases, so as to achieve the purpose of early diagnosis and treatment, which is conducive to the improvement of the quality of married life in the future. The premarital examination includes three major items: medical history taking, routine examination and reproductive system examination. Medical history collection, such as the history of genetic diseases, infectious diseases and chronic diseases; routine examination, such as blood routine, urine routine, liver function, kidney function, male semen routine test, etc.; reproductive system examination, such as ultrasound of uterine adnexa, gynecological examination, the development of the male reproductive organs and so on. Marital examination is not mandatory, but should try to do, conducive to timely detection of disease or abnormality, early diagnosis, early treatment.