Optical cable with compact structure

The invention belongs to the technical field of optical cables, and discloses an optical cable with a compact structure, which is provided with a loose tube (2), a conductor (6), an inner protective layer (8) and an outer sheath (9), a plurality of optical fibers (1) are arranged in the loose tube (2), the optical cable is characterized by further comprising a central protective tube (3), a protective tube (5) and an insulating sleeve (7), a central cavity (30) is arranged in the central protective tube, the loose tube (2) is positioned in the central cavity (30), a rectangular cavity (50) is arranged in the protective tube, and the insulating sleeve (7) is arranged in the rectangular cavity (50). A rectangular cavity (50) is formed in the insulating sleeve (7), an optical fiber ribbon body (4) is arranged in the rectangular cavity (50), a conductor containing cavity (70) is formed in the insulating sleeve, the conductor (6) is located in the conductor containing cavity (70), all the protective tubes (5) and