To provide a contact cleaning system and a contact cleaning method, allowing proper acquisition of replacement time of a cleaning card without needing cleaning work by a maintenance worker.

The cleaning card 11 mounted with an IC chip 22 is incorporated in a cleaning card storage part 8 of an IC card-read/writer 1, the cleaning card 11 is made to be periodically moved to a position of an IC contact 2, the IC contact 2 is made to be abutted, and cleaning is executed. By making the IC chip 22 store an integrated value of a cleaning frequency after the execution of the cleaning, the replacement time of the cleaning card 11 can be accurately acquired.