1. An apparatus for confirming circular traffic sign recognition, comprising: an image acquisition unit configured to photograph a front of a vehicle using a camera to acquire a front image; a sign recognition unit detecting circular shapes indicating circles of objects in the front image, classifying traffic sign circles indicating a traffic sign for the circles, and recognizing the circular traffic sign; and a control unit confirming the circular traffic sign recognition using a white inner circle and informing a driver of contents of the confirmed circular traffic sign.