In this paper, we critically analyze the optimization strategy of distribution network based on adapting adjustment of transformer's taps and review a large amount of relevant literature in order to explore the state-of-the-art research progresses in both academia and industry. By the analysis and literature review, a complete research proposal pertaining to the optimization strategy of distribution network based on adapting adjustment of transformer's taps can be formed, which points out the promising future of the relevant techniques as well as the existing problems worth investigating.