The machine is composed of a long bed and two horizontal beds. It has a cross-shaped box structure and has a good rigidity. Suitable for both sides of batch and single-piece milled box or frame parts, with high accuracy and efficiency. Improve the parallelism and accuracy of the relative side face and the relative end face of milling, increase the production efficiency, and reduce the labor intensity of workers. With automatic reference automatic feed function, the operation is extremely simple.