ABS and PLA materials are commonly used consumables for FDM 3D (Additive Manufacturing) printers. There are differences in the performance of the two materials. The printing model exhibits local warping, cracks between layers, broken wires, clogged nozzles, odors, and wire drawing Differences, the article aims at these problems, according to the different properties of ABS and PLA materials, some corresponding solutions are proposed to improve the yield of model printing and provide reference for users