The invention discloses a preparation method of stereoscopic low-carbon fur spun wool. The preparation method comprises the following steps of: production of a finished color stripe, spinning of spun yarns, weaving and settling, wherein production of the finished color stripe comprises the following steps of: pre-treatment of wool and prolivon fiber Paster, respective dyeing of the wool and the prolivon fiber Paster, back washing, drying, silver mixing, first needle, second needle, recombing, can gilling and finisher gilling to obtain a finished stripe; spinning of the spun yarns comprises the following steps of: silver mixing, first needle, second needle, third needle, fourth needle, roving, combined spinning plus winding machines, doubling and two-for-one twisting; weaving comprises the following steps of production of a card, yarn drum placement and weaving with a circular knitting machine; and settling comprises the following steps of: wool washing with liquid flow, wet blank sizing, brushing and shearing, and burning and steaming. According to the method disclosed by the invention, the fur spun wool prepared by the method has the advantages of full bone feel, strong size stability, strong third dimension of a wool surface of a product, good glossiness, difficulty in deformation, strong recovery property, dual character of formal clothes and leisure fabric of the product, and wide application range.