Digestion endoscope measurement system and method for foreign matters

The invention discloses a digestion endoscope measurement system for foreign matters. The system comprises a light guide unit, a detection unit, a control unit and a display unit. The light guide projection unit comprises an external linked light source and a light guide beam interface which are connected through light guide beams; the detection unit comprises a detection object lens and an observation object lens, wherein image guide beams are connected between the detection object lens and an observation object lens; the control unit comprises a master control chip, wherein an input end of the master control chip is connected with an image sensor; a data interaction interface is connected with an image processor; the display unit comprises a liquid crystal display whose data terminal is connected with a LCD driver; an input terminal of the LCD driver is electrically connected with an output pin of the master control chip. The system of the invention has simple structure, which can directly display foreign m