This paper aiming at the development prospect of cassava field mechanization,described the biological characters of cassava and it's mechanized utilization status in the process of planting,cultivating,harvesting and returning shattered cassava stalks into field. Several kinds of typical cassava planter,cultivator,harvester and cassava stalk powder returning machine were introduced emphatically,their work modes,efficiency and adaptability were also discussed. Aiming at the problems existing in the mechanization for cassava,the article put forward some relative developing suggestions to provide reference for the study of cassava field mechanization.