Abstract: For a long time，predatory development and utilization of black land and traditional high-intensity soil farming have gradually hardened and thinned black land，resulting serious soil degradation.It has an adverse impact on China′s grain production and agricultural development.It is urgent to strengthen protection of black land.It is of great significance to study application effect and popularization strategy of conservation tillage technology in black soil.Advantages of conservation tillage technology were introduced combined with implementation and successful experience of conservation tillage in Jilin province.Role of conservation tillage in increasing crop yield and income，black land maintenance and social benefits was expounded.It could provide reference for promoting better popularization and implementation of conservation tillage in Jilin province.