The invention relates to a multidimensional multi-level productivity accounting method. The method comprises the following steps of 1, representing the productivity of equipment by using an equipment model 2, representing the productivity of production lines by using a production line model, or representing the productivity of the production line consisting of the equipment on the basis of the productivity of the equipment 3, representing the productivity of workshops by using a workshop model, or representing the productivity of the workshop consisting of the production lines on the basis of the productivity of the production lines 4, representing the productivity of production plants by using a production plant model, or representing the productivity of the production plants consisting of the workshops on the basis of the productivity of the workshops and 5, representing the productivity, which is changed along with the effective working hours of an enterprise and the rated labor hours of a product, of the enterprise by using an enterprise model, or representing the productivity of the enterprise consisting of the production plants on the basis of the productivity of the production plants. According to the method, the productivity of the enterprise can be accurately described.