ANF-5 Fiber Laryngoscope is applied for observation, biopsy sampling, Bacteriology, Cytology diagnosis of patient’s nasal cavity and throat. It can comply with photography, teaching and dynamic records while connection to TV system. With 5mm of outer diameter of insertion tube, it has good insertion performance. With 130°Up,90°Down of angulations and 85°of view of field, it can reach the position observed fast and correctly and then detect the diseases. It is with innovative plastic control body and reasonable instrumental channel inlet. With 2mm of working channel, it can comply with suction and keep smoothly movement of instrument like forceps. For surgery, it is very convenient, removable and reliable for pressing suction valve. With 25X magnifications, big depth of view and wide angle of view, and circle view of field, it can observe clear and vivid images within 3-50mm as well as small lesions never skipped.