The invention discloses a filter element drying and sterilizing device which comprises a tank, four filter elements, a condenser, a purified water pipe, a raw water pipe, a heater and a motor. The four filter elements are mounted inside the tank via ceramic bearings, silicone bands are wound on the surfaces of the filter elements, the motor is arranged below the tank, an output end of the motor isconnected with cam turntables at the bottom of the tank by a gear, the condenser is fixed to the upper end of the side, which is close to a first blow-down valve, of the tank, an end of the purifiedwater pipe is communicated with a first water outlet of a first three-way valve, a second three-way valve and a third three-way valve are mounted on the top of the tank and are positioned on a side ofthe first three-way valve, equidistant ultrasonic vibrators are mounted on the top of the tank, and a drying tank is fixed to the upper end of the side, which is close to a second blow-down valve, ofthe tank. The filter element drying and sterilizing device has the advantages that the filter elements can be automatically cleaned, dried and sterilized, excellent cleaning effects can be realized,and the filter element drying and sterilizing device is convenient to use and high in practicality.