By numerical simulation based on the fluid field analysis software Fluent and the structure analysis software ANSYS,the wind induced vibration of a 130-meter high column was analysed and the fatigue endurance was calculated according to the code of JB4732 with the obtained stress distribution.The results show that the effect of cross wind is greater than that of along wind for slender structure,and when first order resonance occurs on an empty tower under critical wind speed,the worst dangerous region of stress is in the joint of the lower header and the skirt.A feasible schedule of numerical simulation was offered,which is of practical Calue for academic study and engineering application.