A coffee bean roaster comprises a roasting space for accommodating a plurality of coffee bean. The coffee bean roaster comprises an instant humidity measuring device, a roasting module and a process module. The instant humidity measuring device can instantly measure an instant humidity value in the roasting space. The roasting module can roast the coffee bean in the roasting space. The process module for receiving the instant humidity value and an initial humidity value of the roasting space to generates a roasting degree information. The process module can control the roasting module base on the roasting degree information.一種咖啡豆烘焙裝置,其內部具有一烘焙空間,烘焙空間用以容置數個咖啡豆,咖啡豆烘焙裝置包含有一即時溼度量測單元、一烘焙模組及一處理單元,即時溼度量測單元能即時量測烘焙空間的溼度,並據以產生一即時溼度值;烘焙模組用以對設置於烘焙空間中的該些咖啡豆進行烘焙作業;處理單元能接收即時溼度值,並依據即時溼度值及該些咖啡豆未設置於烘焙空間中的一初始溼度值,對應產生一烘焙程度資訊,且處理單元能依據烘焙程度資訊對應控制烘焙模組,以控制烘焙模組對該些咖啡豆的烘焙作業。藉此,可有效控制咖啡豆的烘焙品質。1‧‧‧咖啡豆烘焙裝置10‧‧‧即時溼度量測單元101‧‧‧即時溼度值11‧‧‧處理單元111‧‧‧烘焙程度資訊12‧‧‧烘焙模組SH‧‧‧初始溼度值
