In order to solve the problem that traditional vision can not extract high frequency vibration signal,a high-speed vision method is proposed.At Fi r st,the original image taken by high-speed camera is preprocessed by noise redu c tion and binaryzation.Secondly,Feature points are extracted quickly by selecti ng a larger radius of surrounding circles and reducing the number of candidate p oints.Finally,the vibration frequency can be obtained by extracting the displa cement of feature points and analyzing the frequency spectrum.The cantilever of hacksaw blade is taking as the experimental object and it′s vibration frequenc y is analyzed.The experimental results show that the proposed method is consist ent with the theoretical results on the premise of real-time performance.It is proved that the vibration frequency measurement method based on high-speed visi on is feasible and has certain theoretical significance and practical value.