The invention belongs to the field of electromagnetic compatibility and is applicable to being assorted with a shielding cable attachment of a normal cylindrical connector. The difficult problem of electromagnetic influence between a seam existing in the shielding cable attachment and power equipment is solved. The cable device equipped with conductive rubber subassembly with electromagnetic compatibility comprises a cable and a connector shielding cable attachment, wherein the cable passes through the connector shielding cable attachment. The invention is characterized in that: the conductive rubber subassembly with the electromagnetic compatibility is mounted between the cable and the connector shielding cable attachment; the conductive rubber subassembly with the electromagnetic compatibility is made of silver-filled silicon rubber; and a lateral-cut opening is arranged on the cylindrical face of the conductive rubber subassembly with the electromagnetic compatibility. The cable device provided by the invention effectively improves characteristic indexes of conducted emission (CE) and radiated emission (RE), is applicable to various normal cylindrical connectors, has outstanding three-protection characteristics and can be suitable for various severe environments, and has the advantages of rapid assembly and replacement, easiness for operation, high flexibility, light weight and strong bending resistance.