To provide a method for utilization of car sheet cover of synthetic resin-made nonwoven fabric.

The method comprises (a) the step S 11 of preparing car sheet covers 4, 5, and 6 that are formed to shapes of a seat 1, a backrest 2, and a headrest 3, cover them, and are made of synthetic resin-made nonwoven fabric such as PE, PP, or PET, (b) the step S 12 of displaying an advertisement 8 on a backrest cover 5 of the car sheet cover, (c) the step S 13 of setting the car sheet covers on the seat, backrest, and headrest, (d) the step S 14 of collecting the car sheet covers after they are used for a predetermined period, (e) the step S 15 of crushing the collected car sheet covers, (f) the step S 16 of crushing plant fiber such as used paper, wood waste, and waste textile, and the step S 17 of recycling by mixing the crushed car sheet covers with crushed plant fiber such as used paper, wood waste, and waste textile, and forming to produce solid fuels.