An automatic pill picking apparatus has a plurality of pills stored therein. The automatic pill picking apparatus includes a screen and patient information reading apparatus which reads patient’s information. The patient’s information includes the height of the patient and pill list for the patient. The automatic pill picking apparatus picks pills according to the pill list and the screen adjusts positions according the height of the patient.一種自動取藥機,其內裝有各種藥品,該自動取藥機包括一螢幕與一病人資訊輸入裝置,該病人資訊輸入裝置讀取病人之資訊,該病人之資訊包括該病人之身高與需要服用之藥物之藥品清單,該螢幕根據病人之身高自動調整其顯示高度,該自動取藥機根據該藥品清單自動取藥,並從一取藥口送出;本發明還包括一種自動取藥之系統與方法。