The invention discloses a method for locating a distorted center of a wide-field lens. Firstly, imaging is carried out on a checkerboard target through a video camera, a distorted checkerboard target image is shot and obtained, feature points in the checkerboard target image are obtained, and usable feature points in the feature points are extracted. For each usable feature point, a quadrangle is built based on four feature points which are nearest to the usable feature point, and a geometric center of the quadrangle and a coordinate offset of the usable feature point are calculated. Then, coordinate offsets of all the usable feature points are adopted to construct a sample curved surface, and the position of a minimum value point of the sample curved surface is solved, namely, the position is a coordinate valve of the distorted center. According to the method, forms of targets can be diversified, operation is easy, an algorithm is simple, and the method can provide the effective distorted center for distortion correction.