The invention relates to a cable intermediate joint, which is used to connect three-phase cables of two-circuit power cables, including a conductor connection joint, a cold-shrinkable intermediate joint body, a cable shielding layer recovery part, a cable inner sheath layer recovery part, For the mechanical protection and waterproof sealing part, the intermediate joint adopts a multi-layer solid composite dielectric insulation and sealing structure; the main body of the intermediate joint adopts an integrated multi-layer composite structure, including a stress cone, an inner shielding layer, an insulating layer and an outer shielding layer from the inside to the outside. Among them, the inner shielding layer and the insulating layer adopt a non-equal inner diameter structure, and the inner diameter of the inner shielding layer is larger than that of the insulating layer, and a plurality of semi-conductive stepped contact points are set in the middle of the inner shielding layer; the mechanical protection and waterproof sealing part adopts semi-overlapping winding Armor belt, the outermost layer is sleeved with heat-shrinkable tube and wrapped with heat-shrinkable tape. The invention provides a cable intermediate joint with good conductor connection, reliable insulation, good sealing performance, high mechanical strength and simple structure and its production and installation method, which is of great significance for improving the safety and reliability of cable lines.