Sandy desertification is one of the most important problems in China,the study of sandy desertification has become one important topic in recent years because of its immense harmfulness This paper looked back on the developing pro-cess of the study on sandy desertification,reviewed its study on the historical,modern,physical and reverse process of sandy desertification,analised the points in debate of some basic problems such as the definition and the causes of the sandy desertification,discussed the new trends and some problems in study This paper also gave the main topics of sandy desertificantion lately.