The invention discloses an automatic prescription dispensing system for the traditional Chinese medicine (TCM) pharmacy and adopts the form of assembly lines to take, transfer, weigh, package and recycle the stored pre-processed bulk Chinese medicine. The system includes a vertical rotary cabinet, a taking and weighing mechanism and a packaging mechanism, wherein the vertical rotary cabinet mainlyincludes a cylinder support, a driving shaft, a driving sprocket, a chain, a revolution shelf, a driven sprocket, a balancing guide rail, a driven shaft, a shelf connecting rod, a balancing guide rod, a medicine box, a medicine taking cylinder, a cylinder platform and a medicine receiving cylinder, the taking and weighing mechanism mainly includes a push piece, a push piece support, a linear vibrator, a first platform, a weighing tunnel, a turnover panel, a motor, a weighing sensor, a telescopic cylinder, a medicine conveying pipe, a recovery pipeline, a support, a bottom plate, a two-way driving AGV dolly, a magnetic strip, a second platform and a third platform. The system is advantaged in that problems of high labor cost, low efficiency and error-prone property in the traditional Chinese medicine pharmacy for artificial dispensing are solved.