Abstract:“Specialized, refined, differentiated and new” small and medium-sized enterprises are typical representatives of high-quality small and medium-sized enterprises, and their digital transformation is particularly urgent for driving the transformation and upgrading of a large number of small and medium-sized enterprises, thereby promoting high-quality economic and social development. As a major manufacturing province, Shandong Province has strengthened its system deployment and policy support in the process of promoting the digital transformation of “Specialized, refined, differentiated and new” small and medium-sized enterprises. The digital transformation of “specialized, refined, differentiated and new” small and medium-sized enterprises has achieved significant results in stages. At the same time, it also faces some difficulties and challenges such as insufficient recognition of digital transformation by enterprises, shortcomings in key technologies for digital transformation, insufficient integration of the entire digital transformation chain, and a shortage of digital talents. Based on this, Propose a series of promotion paths and strategies to improve the cognitive level of entrepreneurs" digital transformation, empowering industrial internet platforms, digital transformation of industrial chains and clusters, cultivating and introducing digital innovative talents, and providing differentiated policy support, etc.