The conventional tillage system, such as harrowing, weeding by digging and tillage rotation, etc., often causes severe soil loss. It is of greaturgency to perform no till as the strategy of soil conservation. The system in no till can not only conserve soil and water efficiently, but alsoraise soil fertility and increase production and other benefit, saving manpower and reducing the input.The present obstruction is thought mainlyin conservative ideas, following old convention and unavailable tillagemehods. It is suggested to encourage and reward the farmers performingno till, to manufacture weed killers in low price, high efficiency and nopollution, to set model experiment to promote the work in larger areaand to spread in full scale, to obolish conventional tillage system gradually using administrative and economic means.