The invention discloses a method for reducing the manufacturing cost of carbon anodes and relates to a method for reducing the production cost of aluminum electrolytic carbon anodes, in particular to improvement of a dosing method for production of carbon anodes for aluminum. The method is characterized in that in a carbon anode production formula, the weight percentage of powder ground by a powder grinding machine in a dry material is controlled to be 30%-40%; and the mass percent of dust collecting powder to the powder ground by the powder grinding machine is 10%-20%. According to the method, aiming at reducing the cost of the carbon anodes, the dosing quantity of asphalt is reduced, and the dosing percentage of the asphalt is reduced by reasonably and effectively controlling the adding quantity of the dust collecting powder and the powder ground by the powder grinding machine, the percentage of different grain sizes of the powder ground by the powder grinding machine, and the grain-level purity of the powder ground by the powder grinding machine, so that the production cost of the carbon anodes is effectively reduced. The application of the method has very important practical significance on energy saving, emission reducing, cost reducing and efficiency improving of carbon anode production enterprises, and the huge promotion effect is achieved on improvement of the core competitiveness of aluminum carbon enterprises.