The invention discloses a full-automatic multi-core line crimping tin-dipping terminal machine. The full-automatic multi-core line crimping tin-dipping terminal machine comprises an engine base, an outer skin stripping and cutting mechanism, an inner skin stripping and cutting device, a multi-core line terminal crimping device, an inlet line translation device, a pull wire translation device, a tin dipping mechanism and a discharging manipulator, wherein the outer skin stripping and cutting mechanism comprises a power device, a sheath line cutting device, a first sheath striping and cutting device, a first cutting device, a second sheath stripping and cutting device and a second cutting device, the sheath line cutting device, the first sheath striping and cutting device, the first cuttingdevice, the second sheath stripping and cutting device and the second cutting device synchronously work, the inner skin stripping and cutting device comprises a first inner skin stripping and cuttingdevice and a second inner skin stripping and cutting device which are arranged at two sides of the outer skin stripping and cutting mechanism, the multi-core line terminal crimping device comprises asupport base, a single-line core isolation mechanism and a crimping structure, the support base is arranged on the engine base, the inlet line translation device is arranged in front of the first sheath stripping and cutting device, the first cutting device, the first inner skin stripping and cutting device and the multi-core line terminal crimping device and is arranged behind the sheath line cutting device, the pull line translation device is arranged in front of the sheath line cutting device, the second sheath stripping and cutting device, the second cutting device and the second inner skin stripping and cutting device, the tin dipping mechanism is arranged aside the second inner skin stripping and cutting device, and the discharging manipulator is arranged aside the tin dipping mechanism.