The utility model discloses a novel standard guide rail fixing terminal module, and relates to the technical field of terminal modules. The terminal module comprises a terminal module body, a transparent protective cover, a detachable terminal, a connector, a screw fixing hole, a terminal fixing screw and a plugging column, the terminal module body is provided with a plugging column. The bottom ofthe detachable terminal is provided with a hole matched with the plugging column; the detachable terminal is inserted into the plugging column through the hole and is fixed with the terminal module body through a terminal fixing screw, a connector is fixed on one side of the detachable terminal, screw fixing holes are arranged at two ends of the connector, a transparent protective cover is arranged above the detachable terminal, and the transparent protective cover is clamped with the terminal module body. According to the utility model, the detachable terminal can be integrally plugged and unplugged, and when a product breaks down or needs to be overhauled, the connected terminal can be integrally taken down to be replaced by a new product main body, so that the process of rewiring is omitted, the product replacement process can be conveniently completed, and the phenomenon of wrong wiring during wiring is prevented.