With the further development of China's socialist market economy, a "naked marriage", "the net love", "hidden marriage", "flash marriage" and so on emerging more and more. Students' marriage gradually become a problem which social and academic concerned, marriage Outlook for college students currently study, mainly from the definition, causes and influencing factors in three areas of research. This article selects in science and engineering college students as the research object, research how open parents thought influence on college students' marriage, through the questionnaire survey, found that if parents open degree is higher, the marriage of college students may be more reasonable, mature.