The utility model relates to a structure of a medicine grinding device, which mainly comprises a portable operation body, a tool assembly for cutting medicine arranged on one side of the portable operation body, at least one storage element arranged in the portable operation body, a start switch electrically connecting the tool assembly and the storage element, a side of the portable operation body and a cover arranged on the tool. The drug collecting element outside the assembly and at least one trigger assembly connecting the portable operation body and the drug collecting element are selectively driving the tool assembly.With the above structure, the electric storage element is used as the power source of the grinding device, without external power supply, so as to increase the portability of the new model, and the trigger component is used as the safety protection mechanism, so as to avoid the action of the cutter component when the drug collection element is not installed, so as to improve the safety of operation.本新型為有關一種磨藥器之結構，主要結構包括一可攜式操作本體、一設於該可攜式操作本體一側供切割藥物之刀具組件、至少一設於該可攜式操作本體內之蓄電元件、一電性連結該刀具組件及該蓄電元件之啟動開關、一設於該可攜式操作本體一側且罩設於該刀具組件外之集藥元件、及至少一連結該可攜式操作本體及該集藥元件之觸發組件，係選擇性驅動該刀具組件。藉上述結構，以蓄電元件做為磨藥器的電力來源，而無須外部供電，增加本新型之可攜性，且利用觸發組件做為安全防護機構，避免刀具組件在未安裝集藥元件時作動，以提升操作之安全性。
