A method for manufacturing geological base course with disaster-preventive and ecological functions, comprising: a geological base course (30) using common road engineering base course materials or existing soil; and hollow bodies (31) are provided in the base course soil, the hollow bodies being arranged with through holes (32) allowing the hollow bodies (31) and the base course soil to be mixed. The geological base course (30) has the function of support, water storage, water retention, and improving soil quality.
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