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In order to resist the wind interference that may occur when the Unmanned Surface Vehicle(USV) follows the straight path, the mathematical model of the USV in the wind environment is established and a straight path following method for resisting wind interference is presented. First,based on the principle of Line of Sight(LOS), the PD controller that follows the desired heading angel is designed, which can adjust the control voltage of the left and right propulsion motor timely,so that the USV can follow a straight path through fusing ship length rate,path orientation,distance error and other information.Then, according to the influence of ship length rate on straight path following, a fuzzy control module whose output is ship length rate and whose inputs are the distance error and the derivative of distance error is designed ,which is used to adjust ship length rate so as to improve the performance of resisting wind interference.The simulating experiments show that the proposed method can reduce the static following error under the wind interference.In comparison with the traditional PD method ,the ability to resist wind interference is improved.