Abstract: Since forty years of reform and opening up, there are 20 “No.1 Document” s released by the Central Committee of the Communist Party of China（CPC） successively related to the topic of agriculture to promote the work of “three rural issues”——agriculture, rural areas and farmers. Based on a systematic review of major contents and policies of the No.1 Document, a periodic division of policy involvement on “three rural issues” is conducted, then characteristics of policy involvement on three rural issues are analyzed, finally several pieces of vital enlightenment for implementing the strategy of rural vitalization are summarized.

Key words: No. 1 document, policy of three rural issues, rural revitalization strategy, enlightenment

摘要： 从五个时段回顾梳理改革开放40年来中央1号文件的主要政策内容，分析各时段的“三农”政策特点、政策重点、实施效果，评价改革开放40年来“三农”政策的演变特征，得出对实施乡村振兴战略的三点启示。

关键词: 中央1号文件, “三农”政策, 实施乡村振兴战略, 启示