This pre-registered report aims to explore the interaction between entrepreneurship and poverty alleviation based on a microfinance policy perspective, trying to answer three questions: 1) whether the microfinance policy implementation will improve poor entrepreneurs' access finance? 2) If it does, what is the underlying mechanism? 3) what is the impact of the microfinance policy on local entrepreneurial vitality? To explore such three questions, we utilize microfinance poverty alleviation policy issued in China as an exogenous policy shock to conduct a triple difference-in-difference analysis. This pre-registered report expands the understanding on microfinance poverty alleviation through entrepreneurship, and provides a new perspective for consolidating the poverty alleviation performance of finance and preventing a return to poverty.