The invention discloses a DSCM analyzing method based on geotechnical material deformation space-time non-uniform characteristics. Image analyzing efficiency is improved by dynamically adjusting a searching range of pixel measuring points. Based on the geotechnical material deformation space-time non-uniform characteristics, the searching range of all of the pixel measuring points in the image is determined according to analyzing results of reference grids. The DSCM analyzing method is realized in software by adopting a programming technology, and is suitable for the digital speckle correlation analysis of the geotechnical materials of various types, and a number of pixel points of image correlation analysis is greatly reduced, and therefore the image analysis speed of the digital speckle correlation method is effectively accelerated. By combining with the precision optimization method of the digital speckle correlation analysis considering rock fracture influences, the image analyzing speed is accelerated at the same time of improving calculation precision. Measuring point displacement analysis errors or mistakes caused by image noises are effectively inhibited, and therefore the digital speckle correlation measurement precision of the geotechnical material deformation is improved.