Abstract: Nonmetallic composite coiled tubing with cable laying is subjected to tension load due to its self-weight in the process of frequent lifting and lowering of wells for oil extraction, and clarifying the mechanical behavior of the pipe under this load can provide guidance for the safe service of the pipe. A three-dimensional numerical model of nonmetallic composite coiled tubing with cable laying was constructed by finite element software, and the mechanical behavior of the pipe under tension load and the mechanical response of each structural layer were analyzed. The influence of cable laying process parameters, such as cable winding and distribution angles, on the mechanical properties of the pipe was explored. The results indicate that under tension load, the stresses in all structural layers of the pipe with cable laying exhibit a spiral distribution because of cable winding. When the pipe is stretched to failure, it undergoes three stages: elastic deformation, transition stage, and yield deformation. Meanwhile, the cables are in a state of small plastic uniform deformation. Reducing the cable winding angle can enhance the elastic modulus and axial load-bearing capacity of the pipe with cable laying. However, it may cause the pipe to enter into the transition stage prematurely and then yield in advance. The cable distribution angle has a minimal impact on the mechanical properties of the pipe. Therefore, when this type of pipe is manufactured, special emphasis should be placed on the cable winding angle, as this parameter is highly correlated with the mechanical properties of the pipe under tension loads.