Research Objectives to consider and evaluate the impact of factors affecting the competitiveness of small and suitable enterprises in Dong Thap province. The author has conducted the research through 2 phases: qualitative and quantitative research. In addition, the data analysis method was selected by the authors (1) to assess the reliability of Cronbach's Alpha scale; (2) to explore factor analysis EFA; (3) to CFA confirmatory numerical analysis; (4) to check the regression model. The research results show that: financial capacity is the factor that has the strongest impact on the competitiveness of small and medium-sized enterprises, followed by organizational and management capacity; capacity to access and innovate technology; the ability to form relationships; marketing capacity, and service,organization capacity. In addition, the author proposes some key solutions help managers and policymakers improve the competitiveness of small and medium enterprises in Dong Thapprovince.