Combining with the status quo of CSR coring technology both in China and abroad as well as the characteristics of drilling rig production, in order to meet the drilling rig requirements in China for matching air reverse circulation continuous sampling (coring), impact rotary drilling, directional drilling and other efficient processes, an efficient and reliable high-degree mechanization FD-600 type hydraulic power head reverse circulation sampling drill is developed, its overall structure and layout are designed in detail and the reliable purchased components such as hydraulic parts and engine are used, the drill reflects the superiority in 3 field production experiments and it shows that this drill can meet coring drilling for placer gold exploration and engineering construction.