A method for performing coding resource management is provided, where the method is applied to a processing circuit. The method includes: with regard to a specific coding operation, selecting a specific module from a hardware module and a program module; and performing the specific coding operation by utilizing the specific module. In particular, the step of selecting the specific module from the hardware module and the program module further includes: based upon at least one characteristic of the specific coding operation, default settings, and/or user settings, selecting the specific module from the hardware module and the program module. An associated processing circuit is also provided.