Abstract: As a wind-sensitive structure, the large-span coal shed structure should fully consider the influence of wind load in engineering design. The coal shed structure is taken as the research object, and the wind tunnel test is carried out on its rigid model. Considering the wind angles of 0°, 90°, 180° and 270° respectively, distributions of wind pressure are obtained at skylight position and the arc surface at the ends of coal shed. The variation of body shape coefficient with the wind direction angle is further studied at the special shape position of coal shed surface, and the body shape coefficient of each measuring point is obtained at 0°, 90°, 180° and 270° wind direction angles. It shows that the measuring point A1(B1) has a larger body shape coefficient at the bottom of the arc when the wind direction angle is 90°. In the design and construction of coal shed, the area near the measuring point should be reinforced. Comparative analysis is performed on the body shape coefficient of the measurement point at sunroof position under different wind directions, showing that the absolute value of the body shape coefficient under 90° wind direction is larger, and some reinforcement should be conducted in that case.