In order to further explore the accurate measurement of mine roadheader,this study is based on binocular vision technology,and through the work of dynamic position perception,system parameter calibration and contour matching,a preliminary design of dynamic position combined measurement technology method for cantilevered roadheader is carried out,and a preliminary application test is carried out for this method.The test results show that the technical method achieves relatively superior accuracy,and it is expected to have potential application value in future coal mine extraction work.