The specific practice on retuning cultivated land to forests and grassland of Suide county, Shaanxi province is studied. The result shows that, in order to make more achievement in this work, We should study the following problems: (1) to reach a common understanding on the work; (2) to study and solve the concerned problem seriously; (3) to summarize experiences and lessons of the historic practice; (4) to instruct the work according the certain condition; (5) to harness the area comprehensively according the local reality.