摘要：【中文】本发明属于食品领域，具体涉及一种降低肾脏中重金属镉在体内积累的灵芝实体超微粉的制备方法；包括以下步骤：以干燥灵芝实体切片为原料，经剪切粗粉碎、除粗渣、超微破壁粉碎机粉碎和筛网过筛处理制备获得。本发明所述的灵芝实体超微粉能够降低重金属镉在人体肾脏内积累并改善肾脏功能。 【EN】The invention belongs to the field of food, and particularly relates to a preparation method of ganoderma lucidum entity superfine powder for reducing accumulation of heavy metal cadmium in the kidney; the method comprises the following steps: the ganoderma lucidum solid is cut into slices as raw materials, and the ganoderma lucidum solid is obtained by cutting, coarse crushing, coarse residue removal, crushing by an ultramicro wall-breaking crusher and screening by a screen. The ganoderma lucidum entity superfine powder can reduce the accumulation of heavy metal cadmium in the kidney of a human body and improve the kidney function.