The invention belongs to the technology field of cable, especially relates to a method manufacturing photoelectric composite cable with compact structure. The method comprises a step for mounting secondary coating extrusion mold, a step for mounting optical fiber/insulated conductor used for electrical communication, a extrusion and traction step, and a step for shaping a reinforcing element and an external protective cover; the photoelectric composite cable has following main beneficial effects including compact structure, small boundary dimension, low cost and strong compression/impact/bending resistance property; the manufacturing method is simple and easy to learn and also has advantages of high production speed, low power consumption and low process cost.