Abstract:A chain saw is the power to0l widly used in forestry producer.It actson the wood producation. However,from ergonomists angle the in body andmind of the operator are influenced diredly by severe vibration of the chainsaw,through look at matter.The paper reviewes that the Chinese high-handled is harmful to thebody by vibration.In the paper,courses to reduce vibration and acquiredachievement in research were discussed to the chinese high-handled chain saws for the last ten years and more,and it pointed out the research direction of the reduce vibration.