Provided is an apparatus for inserting a needle capable of obtaining automation of tissue sample collection or drug injection and operation stability by applying a link mechanism between a needle inserted into a specific part of a human body and a power source for providing a drive force. The apparatus includes a needle unit inserted into a human body, a drive unit configured to provide a drive force to the needle unit such that the needle unit reciprocates between an insertion position at which the needle unit is inserted into the human body and a withdrawal position at which the needle unit is withdraw to the outside of the human body, and a guide unit including a plurality of guide links each having at least two links relatively rotated by the drive force of the drive unit and radially disposed around the needle unit, and configured to guide the needle unit such that the needle unit translates between the insertion position and the withdrawal position in a longitudinal direction of the needle unit.
