abide by the chinese constitution, legislation and relevant policy, comply with social ethic, and bring together the study abroad service agencies in china to provide service and organize all kinds of activities according to “cssas work methods (articles)”, with the important guiding principles of "supporting study abroad, encouraging home-return, freedom of mobility, and playing important role in china’s socioeconomic development"; protecting the legitimate rights and interests of member agencies and domestic and international clients, in order to develop a study abroad service industry in a consistent and professional manner.