On the periphery of a silicon tube 12, a plurality of insertion holes 14 extending in the axial direction of the silicon tube 12 for fitting treatment tools such as a precutting knife 30, a puncture needle 32, a hook knife 34, and a high-frequency snare 36 are formed. Accordingly, a high-versatility endoscopic multi-purpose treatment hood which makes easy detailed examinations, complicated procedures, and difficult treatments using an endoscope can be provided.
