Abstract: With the development of economy, small and medium-sized enterprises have become an important part of China's economy. Improve the accounting efficiency and quality of enterprises, meet the needs of relevant management departments inside and outside enterprises for accounting information, and improve the economic benefits of enterprises. Strengthening the mastery and management of financial accounting is the only way to realize accounting computerization. According to the present situation of the application of accounting computerization in small and medium-sized enterprises, this paper analyzes the existing problems and puts forward some countermeasures and suggestions for strengthening and improving.