In the context of Internet plus, Farmers' entrepreneurship is an important force for mass entrepreneurship and innovation, is also an important way for farmers to increase their employment. The entrepreneurial guarantee mechanism formed by the government and social organizations is a strong support for farmers' entrepreneurial performance. The Anhui provincial government has issued a series of policies to support farmers' entrepreneurship, to improve the entrepreneurial environment and the guarantee mechanism for farmers' entrepreneurship. Based on existing research, the research team has constructed the performance evaluation index system of farmers' entrepreneurship guarantee mechanism in Anhui Province from three aspects: government, social organization and farmers, using AHP to determine the weights of indicators at each level, combining field research and questionnaire survey data for entrepreneurial farmers in Anhui Province, making a comprehensive evaluation of the guarantee mechanism of farmers' entrepreneurship in Anhui province, and putting forward suggestions for improvement to promote the sustainable development of farmers' entrepreneurship.