Multifunctional medicine grinding device

The invention relates to a multifunctional medicine grinding device which comprises a medicine grinding cup and is characterized in that the medicine grinding cup is in a funnel shape, a medicine inlet cavity is formed in the medicine grinding cup, the medicine grinding cup is detachably connected with a medicine containing cup and a dustproof cover, a medicine pounding pestle penetrates through the dustproof cover, the side, away from the medicine grinding cup, of the dustproof cover is fixedly connected with a linear vibration motor, and the linear vibration motor is in an annular shape; a plurality of movable parts are further integrally generated on the linear vibration motor and are arranged in a circumferential array mode, inserting cavities allowing the medicine pounding pestles to be inserted are formed between the movable parts, connecting covers are slidably connected to the movable parts, the connecting covers are provided with locking stations and unlocking stations, and when the connecting covers