The invention provides a medicine smashing device for traditional Chinese medicine materials. The medicine smashing device comprises a plate frame, an installing shell, connecting blocks, fastening bolts, a power distribution box, a switch, a smashing box, a connecting ring, smashing blades, a fastening cover structure, a collecting bag structure and an installing base structure. The installing shell is inserted in the inner side of the plate frame. Meanwhile, the connecting blocks on the upper portion of the outer wall are connected with the fastening bolts. The fastening bolts penetrate theplate frame and are in thread connection with the connecting blocks. The power distribution box is welded to the left end of the plate frame, and the switch is installed on the front surface. The smashing box is installed at the upper end of the installing shell. The connecting ring is installed on the longitudinal middle portion below the interior of the smashing box in a bolt manner. Meanwhile,the smashing blades are welded to the left end and the right end. According to the medicine smashing device, by arranging the fastening cover structure, a pressing disc can press the traditional Chinese medicine materials beneficially and conveniently, and meanwhile, the problems that some traditional Chinese medicine materials are splashed easily, and cannot be smashed conveniently are avoided.