Abstract: Ridge tillage is one of the important farming methods in rice paddy, with long history and obvious benefits. It has experienced thousands of years of development, and formed three types of paddy ridge tillage, i.e., filmmulched semidry ridge mode, infiltrated ridge mode, and laddershaped ridge mode. In this review, we summarized the development history, types and characteristics of paddy ridge tillage, and its ecological, economic and social benefits combined with ecological planting and raising. The ecological cultivation of ridge rice field optimizes water and soil conservation and reduces environmental pollution. It can increase the ratio of output and cost, with a net income growth of 1060-52010 Yuan per hectare compared to plain cro pping. Therefore, rice paddy ridge tillage with ecological cultivation is a good way to transform lowyield fields, absorb labors, and develop rural tourism.

Key words: species composition, community structure, secondary Picea forest., spatial pattern