Trade unions in colleges and universities at a new stage should give importance to the functions of safeguarding and protect the legitimate rights and interests of numerous teachers and staff members during the reform of personnel distribution system in colleges and universities. The trade unions are also required to realize the significance of giving importance to the functions of safeguarding, to explore new ways to carry out the functions of safeguarding and to deal well with the relationship between the work of giving importance to the functions of safeguarding and other tasks.