PURPOSE:To provide the living body freezing treating needle which can be directly punctured into the affected part of the bioorgans from the outside of the body without incising the abdomen, freezes only the tip part to be brought into contact with the affected part without freezing the peripheral wall surface of the pipe punctured into the body and does not cause the unnecessary wounding and internal bleeding of the normal biotissue at the time of needling and removing. CONSTITUTION:This living body freezing treating needle 1 has a metallic tip material 2 formed to a sharply pointed projecting shape having about =3.5mm outside diameter and a metallic outside pipe 3 successively provided with this tip member 2 at about the same diameter and maintains the spacing between this outside pipe 3 and a conduit existing on the inner peripheral side thereof via a spacing maintaining member 5a which can make substantial point contact therewith without coming into continuous contact in the axial direction therewith.
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