The invention discloses a treating recycling technology of low-ash coking floatation tailings, and is applicable to coking coal recycling, treatment and utilization. The treating recycling technology is characterized in that the floatation tailings are classified through utilizing a three-product swirl classification screen; coal tailing concentration operation is carried out on swirl classification screen underflows and screen overflows; after high-density materials are discharged from underflow coarse particles through a spiral separator in advance, the underflow coarse particles are subjected to grinding separation; the overflows and screen underflows of a belt screen ball mill are mixed and introduced into a flotation column for separation; underflows of a classifying cyclone enter a two-stage ball mill for fine grinding; the outlet materials enter a two-stage classifying cyclone for desliming; the overflows are recycled as a medium coal product; the underflows enter the floatation column for separation as well, and a clean coal product is obtained through separation; and after being returned to the three-product swirl classification screen again for coarse tailing intercepting treatment, the tailings enter a coal tailing concentrator. According to the treating recycling technology of low-ash coking floatation tailings, the process is simple, advance spiral tailing discharge is adopted, and the two-stage ore grinding technology in which the belt screen ball mill and the traditional ball mill are connected in series is adopted, so that the energy consumption of ore grinding operation is greatly reduced, the phenomenon that the outlet materials of the mill are overgrinded is avoided, and the flotation separation efficiency is high.