This standard mainly provides the composition of the digital transformation maturity model, overall requirements, and requirements for different maturity levels. It clarifies the specific maturity requirements of different maturity levels such as specification level, scenario level, process level, platform level, and ecological level, as well as the five perspectives of development strategy, new capabilities, systemic solutions, governance system, and business innovation and transformation. Provide a theoretical basis for digital transformation maturity level assessment, in order to better guide organizations to carry out transformation work in a systematic and overall manner.