This paper first describes the concept of small and medium-sized enterprises, the role of basic theoretical knowledge; Then from the common problems in the financial management of small and medium-sized enterprises in China, the financial management of financing, cost management, investment and other financial problems are analyzed; Finally, in view of the problems in the financial management of small and medium-sized enterprises, the solutions to the financial management of small and medium-sized enterprises in China put forward their own opinions. Only by strengthening financial management, reasonably planning, scheduling, using and distributing funds, and controlling risks, can China's small and medium-sized enterprises improve their profits and enhance their competitiveness.