A coffee bean screening system includes a central control server and a plurality of coffee bean screening devices.The central control server includes a data input module.The data input module is suitable for entering a filter parameter.The coffee bean screening device includes a network module and a controller.The network module is connected to the central control server through the Internet.The controller receives the filter parameter through the network module and performs the filter action according to the filter parameter.When the data input module is input with the filter parameter, the filter parameter can specify the specific coffee bean filter device for transmission, and the central control server will send the filter parameter to the specified coffee bean filter device.一種咖啡豆篩選系統,包括一中央控制伺服器與多個咖啡豆篩選裝置。中央控制伺服器包括一資料輸入模組。資料輸入模組適於輸入一篩選參數。咖啡豆篩選裝置包括一網路模組及一控制器。網路模組是透過網際網路與該中央控制伺服器連接。控制器是透過該網路模組接收該篩選參數,並根據該篩選參數進行篩選動作。其中,當該資料輸入模組被輸入該篩選參數,該篩選參數可指定特定該咖啡豆篩選裝置進行傳送,該中央控制伺服器會將該篩選參數傳送至指定的該咖啡豆篩選裝置。