Abstract: It is very important to research on risk assessment of soil erosion,because soil and water conservation monitoring,harnessing and so on should be based on that.By analyzing the published researches on risk assessment of soil erosion,the evaluation methods are classified as three kinds: evaluation by the antierosion period,evaluation by classification of the main factors of soil erosion potential danger,and evaluation by the models of soil erosion potential danger.Meanwhile,based on the review of the merits and demerits of them,the trends for future development and questions have to be solved are also discussed.