Legal. According to official website of Yanshan University, all students who sign up for the national adult college entrance examination, obtain the official student status of Yanshan University, pass the study in school and meet the graduation requirements are awarded the graduation certificate of adult higher education stamped with the seal of "Yanshan University", which is recognized by the state and certified by Xuexin.com ... Those who meet the conditions for awarding bachelor's degrees can be awarded bachelor's degrees in corresponding disciplines.