本文研究了土壤中砷的吸附行为、影响砷吸附的主要因素，以及砷的吸附行为对土壤中砷的形态分布、有效性、迁移性和缓冲性的影响。为降低土壤中砷的有效性和减轻砷对植物毒性提供依据。 In this paper, the adsorption behavior of arsenic in soil, the main factors affecting the adsorption of arsenic, and the effects of arsenic adsorption on the distribution, availability, migration and cushioning of arsenic in soil were studied. To reduce the availability of arsenic in soil and reduce the toxicity of arsenic provides a basis for the plant.