Small and medium-sized financial institutions are an integral part of the financial system, it has the business objectives that pursuit maximize profit as the same as big banks. but it also has its unique characteristics. Taking the small and medium - sized financial institutions in Jilin Province as an example, this paper studies the situation of its development, puts forward the severe situation of its development process, and puts forward the strategy of strengthening the construction of small and medium - sized financial institutions and promoting the development of small and medium - sized financial institutions in Jilin Province.