Based on analysis of the status quo and developmental trend of the study on soil environment at home and abroad,the author suggests in this paper initiation of research on biogeochemical processes,quality evolvement and risk management of soil environment. The author holds that the assumption of soil environment consisting of three parts,internal,interfacial and external ones,is helpful for better understanding of processes,cycling and interaction of pollutants in the soil environment. The author also emphasizes necessity of develop ing integrated interdiscip linary(physio-chem-bio-geoscience)research of soil environment,and discusses potential subjects and prospects of the research from the aspects of the subsystems of soil particle surface-liquid,soil-microorganism s,soil-plant,soil-air,and soil-water in the environment, aiming at promoting the study on evolution rules,regulation and remediation of soil environmental quality on different scales.