A path planning method for curved surface parts based on the process characteristics of laser cladding is proposed. The point cloud data of the cladding curved-surface are obtained by the 3D scanner and the point set on the cladding path is obtained by the point cloud slicing method. The equal bow height is utilized to make the trajectory point set sparse and the non-uniform rational B-splines (NURBS)curved-surface is fitted to obtain the normal vector of the processing point, and the motion trajectory point of the nozzle is obtained by skewing a certain distance along the direction of this vector. Through the cladding experiment and the quantitative analysis of the experimental sample, it is concluded that the quality of the cladding layer on the curved surface is good, which verifies the reliability and practicability of the proposed method and provides certain reference for the cladding and remanufacturing of other curved-surface parts.