With the arrival of the digital economy era, the real economy of our country tends more and more to the digital and intelligent development, the deep integration of the real economy and digital economy has become a general trend. Small and medium-sized enterprises as an important part of the economy, the digital transformation affects the future development prospects of our country's economy. However, due to limited resources such as capital and technology, it is difficult for small and medium-sized enterprises to carry out digital transformation smoothly. This paper analyzes its challenges and advantages, studies the influencing factors and influencing paths encountered in the process of digital transformation, and puts forward suggestions.