The stability of the locker, drilling is the foundation, the workshop standardized woodworking drilling process, each hole position is hidden in the precise-numerical control equipment positioning, the error is controlled within 0.1mm, the vertical drilling is not skewed, and the splicing is closer. The artificial secondary check hole position is matched with a special drill bit to avoid wood cracking, so that the locker parts are spliced tightly and the load-bearing is more stable.