Digitalization might be one of the most prevalent buzzwords these days. While most large enterprises and some small and medium enterprises(SMEs) are introducing the digital management system, most SMEs are still not. Therefore, competitive force of these most SMEs might be go from bad to worse. The purpose of this paper is to grape the method to strengthen competitive force of SMEs and to study the strategy for digital management of SMEs. To achieve this goal, this study will analyze the state of digital management of SMEs, grasp at themes for improving it. Also, this study will develop digital management model for SMEs and discuss alternatives and methods of digital management to drive strategically on the spot small and medium enterprises