The invention discloses a making method of pencil refills special for scrawling a standardized test card. Under the coaction of a pencil refill conveying wheel, a driven rubber wheel and grinding wheels and limiting blocks, two sides at both ends of each pencil refill are ground into symmetrical inclined surfaces, wherein the grinding wheels and the limiting blocks are confronted and symmetrically arranged at both sides of the pencil refill conveying wheel. A rigid arc clamp is arranged in front of the pencil refill conveying wheel, the limiting blocks are arranged at two edges of the pencil refill conveying wheel, and the grinding wheel sheets are respectively arranged at both sides of the pencil refill conveying wheel so that each pencil refill with both wedge-shaped ends, which rotates in the position, is ground by the grinding wheels and cut by a cutter arranged in the middle of a rotating wheel into a needed wedge-shaped pencil refill.