The invention discloses a gridding visualization method for scanning laser radar detection data. The gridding visualization method specifically comprises the steps of: 1, defining a region according to a detection scanning distance and a detection angle of scanning laser radar detection data; 2, performing coordinate conversion on polar coordinates of the scanning laser radar detection data, and converting the polar coordinates into a Cartesian product coordinate form V (m, n); 3, standardizing the data V (m, n) by adopting a normalization method to obtain U (m, n); 4, performing interpolationfilling on a data missing position in the U (m, n) by utilizing a vertical and horizontal interpolation method; 5, creating and initializing two-dimensional space color matrix data C (m, n) corresponding to visual graph sizes m and n, and mapping data G (m, n) into the C (m, n) representing numerical value intensity; and 6, drawing numerical values of the C (m, n) to pixel positions by adopting aprogram visualization method by utilizing a corresponding relationship between pixels and the C (m, n). The gridding visualization method improves the precision of data interpolation.