The invention discloses a coal briquette production method, and belongs to the technical field of coal ash recycling. The method comprises the following steps: step 1, concentrating crushed coal, a binder and coal ash, wherein the particle size of crushed coal is less than or equal to 3 mm; step 2, mixing the materials obtained in the step 1 by stirring, and adding water into the mixed materials in the stirring process; step 3, carrying out compression molding on the material obtained in the step 2 to obtain a semi-finished product; and step 4, drying the semi-finished product to obtain a finished coal product.