Xingtai Machinery Factory was taken for example, the common horizontal lathe homemade high pressure cooling system was introduced in this paper, as well as intermediate support, drill sets and chip removal device, combined with deep hole drill, the single blade discharge of adding external gear change lathe transmission ratio, the technology developed horizontal deep hole drilling machine, solved the hydraulic support on the hydraulic jack piston rod injection fluid within the aperture small, deep drilling problems, solved the injection production bottleneck of hydraulic jack problem.