Abstract: Taking less developed areas as the object of study, based on the field investigation data of Yunnan province, this paper makes an empirical study on the impact of non-agricultural employment on farmers' land transfer in underdeveloped areas. Conclusions are as follows:farmers' land transfer is related to non-agricultural employment level; when the proportion of non-agricultural income exceeds 50%, the farmers have the inner demand of turning out the land; the proportion of farmer's transferred land area and the level of non-agricultural employment of farmers showed U-shaped curve.