A human body implant structure includes: a support anchor which is embedded into a bone body a support base which is placed on and fixed to an upper portion of the support anchor and a lost-part compensation part which is mounted on an upper portion of the support base, wherein the support anchor and the support base are configured to be detachably fitted to each other by way of the taper fitting structure where the support anchor and the support base are brought into close contact with each other, and a stepped portion which is formed of an upper surface of the support anchor is formed on a boundary between a female threaded hole which is vertically formed in the support base and a vertical hole formed in the upper surface of the support anchor.