The invention relates a glucose detection system with band-pass infrared light. It comprises a light transmitter； a band-pass infrared light detector including a p-type semiconductor layer, a filter layer, an active layer and a n-type semiconductor layer； a controller electrically connected to the light transmitter and the band-pass infrared light detector and including a sensing amplification module, an analog-digital conversion module electrically connected to the sensing amplification module, a signal processing module electrically connected to the analog-digital conversion module and a linear regression module electrically connected to the signal processing module； and a display device electrically connected to the controller.本發明有關於一種帶通紅外光血糖檢測系統，其包含有一光源發射器；一帶通型紅外光感測器，係依序具有一P型半導體層、一濾波層、一主動層與一N型半導體層；一控制器，係電性連接光源發射器與帶通型紅外光感測器，其具有一感測放大模組、一電性連接感測放大模組之類比數位轉換模組、一電性連接類比數位轉換模組之訊號處理模組與一電性連接訊號處理模組之線性回歸模組；以及一顯示器，係電性連接控制器。
