A medical apparatus includes: a distal end portion provided at a distal end of an insertion portion that has functions of performing inspection, treatment or observation a bending portion connected to the distal end portion and configured so as to bend in two or more directions by connecting a plurality of bending pieces a bending portion operation unit provided in an operation section connected to a proximal end of the insertion portion that causes the bending portion to perform bending operation and a neutral position restoring elastic member for causing the bending portion to return to a neutral position, the neutral position restoring elastic member being provided along at least one of a central axis of the bending portion and an inner surface on a first end side of the bending portion.