The commonly used graded carbide indexable inserts are laser-treated and tested in the laboratory. The surface roughness is reduced and the quality is improved. This is especially true when turning stainless steel. First, the test situation Select the commonly used YT15, YG6, YW1 three brands as the research object, each brand takes 4 blades, respectively, using four different parameters for laser processing. The blades are all quadrilateral, with half of the edge laser processed and the other half remaining in the original state for comparative cutting tests.