In order to improve the utilization of light energy,a frame structure was designed which consist of a parabolical concentrator and biaxial visual tracking institution used in the solar dish string power system. Based on the uniformity of frame bearing capacity and power transmission characteristics,the finite element model was built. Through numerical wind tunnel simulation, the wind load of the frame at different altitudes were obtained. The displacement characteristics and stress distribution at weak position of the frame structure were analyzed. Results indicated that the concentrator system has better ability in geometry shape. When running in the wind or facing hurricane ,the frame structure is safe.