Cost analysis method and device for filling material

The embodiment of the invention is suitable for the technical field of mining, and provides a cost analysis method and device for a filling material, and the method comprises the steps: determining the expected filling strength of a to-be-filled empty field; according to the expected filling strength, a filling material target combination used for filling the empty field is determined, the filling material target combination at least comprises one kind of filling material, and any kind of filling material has the corresponding material unit price; measuring the size of the empty field; based on the volume size, calculating the usage amount of the filling material target combination required for completely filling the empty space; and calculating the cost of filling the empty field according to the usage amount of the filling material and the material unit price. By adopting the method, the cost of the filling material required for filling the empty space can be accurately calculated. 本申请实施例适用于采矿技术领域，提供了一种充填材料