The utility model relates to a the chemical industry field, concretely relates to prolong continuous reforming unit catalyst program control valve life's of system device, simple structure, design benefit, easy operation not only, the time spent is short, and is still pollution -free, reduces the fluctuation of catalyst through the simple operation to two program control valve to can reduce the catalyst to the erodeing of program control valve, extension program control valve's life -span. The utility model discloses a prolong continuous reforming unit catalyst program control valve life's of system device, includes program control valve I, program control valve II and takes over, taking over the one end intercommunication and being used for keeping apart the program control valve I of catalyst, other end intercommunication is used for keeping apart gaseous program control valve II, program control valve II is located program control valve's I high -pressure side, program control valve I and program control valve II adopt " with opening with closing " or " closing with opening the back " or " open earlier and afterwards close " mode.