The invention relates to a ceramic for recovery of waste heat of a high-temperature flue gas channel and a manufacturing method for the ceramic. The ceramic is prepared by mixing, molding and sintering the following raw material components, by mass percentage, 80-93wt% of aluminum nitride powder, 5-15wt% of nickel-based alloy powder, 0.5-2.5wt% of foaming agents, 0.3-1.5wt% of yttrium oxide, 0.5-1wt% of initiating agents, 0.5-1wt% of catalysts and a sufficient amount of wax. wherein the ceramic body is internally provided with an air hole which is dispersedly distributed and an alternating spiral channel which penetrates through the ceramic body. The ceramic for recovery of the waste heat of the high-temperature flue gas channel and a manufacturing method for the ceramic has the advantages of being good in thermal conductivity, high in waste heat recovery rate, high in high-temperature resistance and capable of recycling a part of mineral smoke.