The invention relates to a reconfigurable parallel image detail enhancing method, including parameter preloading, data buffering, horizontal and vertical filtering, coring filtering, overshoot suppression, amplitude suppression and cached data updating. The invention also relates to a reconfigurable parallel image detail enhancing device, including a local memory, a memory access control unit, a general buffer, a parallel arithmetic logic unit ALU, a state machine, and a parallel multiply-accumulator device MAC. With the method and the device provided by the invention, the image detail signal is enhanced, the texture area is enabled to be more intelligible, the data usage efficiency is improved, the data interaction between the operation part and the peripheral memory is reduced, the memory access bandwidth pressure is lowered, and the repeated utilization of hardware resources is achieved.