Relying on the Guangzhou Bypass Expressway, the three-dimensional structural morphology, water permeability coefficient, surface and internal structural diseases, interlayer shear strength, traffic noise and other data analysis of NovaChip ultra-thin wearing course were collected. It is concluded that the NovaChip ultra-thin wearing course has excellent performance in terms of traffic safety, durability and noise reduction and environmental protection. This comprehensive testing method is recommended to use as a testing method for the post-implementation evaluation of the effectiveness of pavement preventive maintenance programmes.