Combined remediation method for arsenic-polluted soil

The invention provides a combined remediation method for arsenic-polluted soil, which comprises the following steps: S1, crushing and screening the arsenic-polluted soil, and leaching the arsenic-polluted soil by using leacheate to obtain first soil; S2, planting an enrichment plant in the first soil for arsenic enrichment treatment to obtain second soil; S3, conducting stabilizing treatment on the second soil through a stabilizing agent to obtain third soil; and S4, adding a soil conditioner and a pH regulator into the third soil, and planting green manure plants for soil improvement treatment to obtain fourth soil. The protective remediation of the arsenic-contaminated soil is achieved, and the method is good in remediation effect, high in stability, low in cost, easy to operate, large in treatment capacity and remarkable in treatment effect on the high-concentration arsenic-contaminated soil. 本公开提供了一种砷污染土壤的联合修复方法，包括：S1、将砷污染土壤破碎筛分，使用淋洗液对所述砷污染土壤进行淋洗处理，得到第一土壤；S2、对所述第一土壤种植富集植物进行砷富集处理，得到第二土壤；S3、使用稳定化剂对所述第二土壤进行稳