Provided is a human bone treatment unit. The human bone treatment unit is used to treat human bones, and includes: a main body part that passes through a human bone and a treatment rod and is then fastened to the bone and a head part for enabling coupling between the bone and the treatment rod by means of an external force applied from the outside, wherein the head part is integrally formed with the main body part, provided with an engagement recess having a non-circular cross-section which is engaged with a screwdriver for creating the external force, and has an engagement surface having a non-circular cross-section that makes it possible to be additionally engaged with the screwdriver in a state in which the engagement between the screwdriver and the engagement recess is not possible.