This standard stipulates the method of division of adult human body segments, and gives the relative mass distribution of each segment of the adult human body, the relative position of the centroid of each segment of the human body and the overall centroid position. This standard applies to the design of safety protection equipment (such as industrial railings, civil balcony guardrails, safety belts, etc.), body dummy design, development of artificial limbs for the disabled, automobile safety protection, testing and emergency ejection of aircraft for lifesaving, human body motion analysis, Motion simulation and human-machine relationship.