The utility model discloses a processing system who excels in high mould carbon fiber, including surface treatment device, water washing device and the hot drying who connects gradually oxidation unit, hot drying oxidation unit comprises hot drying system and oxidative system, and the hot drying system is including protection insulation can, light source and exhaust passage, the oxidative systemincludes oxidizing atmosphere reactor, auxiliary light source and protective housing. Still disclose the processing method of the high mould carbon fiber that excels in, has included: (1 )The high mould carbon fiber strand that excels in passes through the surface treatment device in succession, to the fibre surface carrying out oxidation treatment, (2 )Adopt the water washing device to wash the high mould surface of carbon fiber that excels in, (3 )The high mould carbon fiber strand process hot drying that excels in after the washing oxidation unit receives the silk, promptly. The utility model discloses a method easy operation, controllability are strong, and it is little to consume energy moreover, can realize surface of carbon fiber's secondary activation on continuous, quick, the high-efficient stoving basis of high mould carbon fiber of realizing excelling in.