Beauty instrument

The utility model relates to the technical field of personal care products, and provides a beauty instrument. The cosmetic instrument includes: a main body; the containing bottle is arranged in the main body, the containing bottle is used for containing the care solution, the containing bottle is provided with a clamping groove and a discharging port, and the discharging port is used for discharging the care solution; and the disassembly and assembly mechanism is arranged on the main body, and the disassembly and assembly mechanism is configured to rotate relative to the main body, so that the disassembly and assembly mechanism is selectively clamped in the clamping groove. If the containing bottle contains the care solution, the dismounting and mounting mechanism is clamped in the clamping groove, so that the containing bottle is fixed for a user to use; if a user needs to clean the used containing bottle and then add a new care solution or directly replace the used containing bottle with a new containing bo