PROBLEM TO BE SOLVED: To provide a filter washing/drying system continuously washing, rinsing, dewatering and drying the filter with a compact structure in a short time, while carrying and moving the filter, and a filter washing means.SOLUTION: The filter washing/drying system 1 continuously washes and dries the filter 2, the system including: a filter carrying device 3 transferring the filter 2 from a carrying-in port 8 to a carrying-out port 9 a filter washing device 4 having a washing liquid jetting nozzle 10 jetting the washing liquid 17 and a high pressure gas jetting nozzle 11 jetting only high pressure gas 18 downstream of the washing liquid jetting nozzle 10 a filter rinsing device 5 having a cleaning water jetting nozzle 12 jetting rinsing water 19 and a filter drying device 6 having a water absorbing means and a pressing mechanism 15 absorbing the water contained inside the filter 2 by a water absorbing material 14 set in the water absorbing means.
