Disclosed is a sterilizable facial cleaning instrument, which comprises a main apparatus, and a driving motor, a first control board and a rechargeable battery that are provided in the main apparatus, and further comprises an apparatus seat provided with a sterilization cavity, wherein an ultraviolet germicidal lamp is provided in the sterilization cavity； the main apparatus is detachably provided at the apparatus seat and at least a part of a brush head is positioned in the sterilization cavity, so that bristles positioned in the sterilization cavity can be sterilized by ultraviolet irradiation. The sterilizable facial cleaning instrument provided by the present invention can sterilize and disinfect the brush head completely when the main apparatus is combined with the separable designed apparatus seat, thereby ensuring the health and safety of users.
