To solve the problem of service damage and failure of copper alloy parts, cold spraying (CS) was used to repair damaged copper alloy parts with the addition of laser assistance. The effects of cold spraying and laserassisted cold spraying (LACS) parameters on the microstructure and mechanical properties of CuCrZr coatings were investigated. Nitrogen was used as the highpressure gas source to prepare the CuCrZr coatings under the parameters of cold spraying pressure of 3，4 MPa and temperature of 400,600 ℃, and laserassisted cold spraying (LACS) with laser power of 1，2 and 3 kW, and the microstructure and mechanical properties of the coatings were characterized by scanning electron microscopy, light microscopy, 3D confocal microscopy, microhardness tester, universal testing machine and friction and wear tester. The LACS coating has lower surface roughness, slightly higher porosity, comparable microhardness, 243% higher adhesion strength, and improved friction and wear resistance compared to the CS coating. The surface roughness (Sa) of the LACS-3 MPa-600 ℃-3 kW coating is (14.9±1.2) μm, the porosity is (0.7±0.3)%, the microhardness is (161±13)HV0.1, the adhesion strength is (34.0±7.2) MPa, and the wear rate is (2.8±0.8)×10-4 mm3·N-1·m-1. LACS is easier to prepare excellent CuCrZr repair coatings than CS, and with the increase of the laser power, the porosity of the coatings is reduced, the adhesion strength is increased significantly, and the wear resistance of the coatings is improved. The bonding mechanism of CuCrZr coatings is mechanical embedding and partial metallurgical bonding. The friction wear mechanism is mainly adhesive wear, supplemented by abrasive wear. The CuCrZr coatings prepared by the LACS method can meet the requirements of repairing CuCrZr alloys.