The petroleum perforation gun is a very important tool in the petroleum extraction industry. The processing of shallow blind holes in the manufacturing of petroleum perforation guns is a key and difficult point in the processing technology. Traditional processing requires experienced and experienced turning masters to process, which is time-consuming and laborious. CNC radial drilling specialized machine tools can achieve automated high-precision processing, high efficiency, good quality finished workpieces, and consistent shallow blind hole depths. CNC radial drilling specialized machine tools are increasingly widely used in oil well exploitation. This paper aims to design a hydraulic system suitable for CNC radial drilling special machine tools. Firstly, this article introduces the application background and main performance parameters of CNC radial drilling special machine tools. Then, a hydraulic system design scheme was proposed, including system framework, hydraulic component selection, pipeline design, etc. Next, performance verification and evaluation will be conducted on the designed hydraulic system, including verification of performance indicators, stability and reliability of the system.