Abstract: Under the background of promoting the strategy of comprehensively governing the country according to law, effectively identifying, preventing and avoiding legal risks in the management of student affairs is an important issue that cannot be avoided in strengthening the rule of law in colleges and universities in the new era, improving the level of rule of law in university management, and promoting the modernization of internal governance system and governance capacity in colleges and universities. The supply of management system is insufficient, the relationship between colleges and students is misplaced, the legal consciousness of managers is insufficient, and the education supervision is not in place. These factors lead to various legal risks in the management basis, management procedures and the realization of students ' right to education, the protection of life and health, the protection of human dignity, the protection of housing rights, the protection of property rights, the protection of intellectual property rights, and the protection of personal information rights. It is necessary to improve the legal risk prevention and control system of college students ' affairs management by establishing and improving the legal norm system of college students' affairs management, improving the ability of managers to use the rule of law thinking and the rule of law, improving the procedural mechanism of student affairs management, establishing special legal affairs institutions, constructing multiple solutions to school students' disputes and establishing emergency plans for student affairs management emergencies.