Abstract: A trailed harvester for Caragna korshinskii cutting was introduced，which integrated functions such as stumping，feeding，cutting，bundling and packaging.Construction and working mechanism were illustrated.Technical parameters of trailed harvester for Caragna korshinshkii cutting were optimized by a series of experiments and tests on cutting table，feeding，bundling and packaging systems.Not only existing problems were analyzed，but also reasonable harvesting period was suggested.