Abstract: Over the years，the Party and the state attach great importance to modernization of agriculture and rural areas，and put forward rural revitalization strategy.In particular，with acceleration of new infrastructure construction pace in 2020，it will play a great role in promoting governance capacity of agriculture and rural areas and construction of modern system.It is an important direction worthy of thinking and research to study how to accelerate realization of rural revitalization and expand inner circle through information means and establishment of information system，and how to improve government's credibility and people's happiness of life.Using research method of policy study and practice combing，construction of agricultural and rural information system was studied under background of new infrastructure construction.Results showed that: construction of a complete and shareable agricultural and rural data standard system was cornerstone of agricultural and rural information management；to construct a business management system that conforms to local characteristics and can give full play to long-term effect of government management was a necessary means to implement improvement of agricultural and rural governance level and modernization construction；establishing a safe data security system for agricultural and rural informatization was a favorable guarantee to ensure long-term effect mechanism of agricultural and rural informatization.Therefore，construction of agricultural and rural information management system based on new infrastructure must take its own positioning and characteristics as starting point，and construction is in line with current and sustainable information development road.