Aimed at the solar energy of some disadvantages existed such as low density, intermittent and continuously changing spatial distribution, in order to use the solar energy more fully and effectively, a kind of biaxial hydraulic panoramic solar energy automatic tracking system was designed. The hydraulic equipment was used as power supply by the system, and also provided power for the hydraulic motor and hydraulic cylinder so that the system power was reasonable distributed. The mechanical system had the stability of the selflocking, strong antiwind, antiinterference and stable performance. The threedimensional (3D) motion of the system was realized by the electronic control system to control electromagnetic valve switch. Automatic tracking is realized by a full orientation of sensing and control system of solar energy.