The role of human supplementation of osteogenic elements (calcium) 1 years old —-30 years old, bone growth period, supplementation of osteogenic elements can improve the peak bone mass; 31 years old-50 years old, bone loss period, supplementation of osteogenic elements can reduce the loss of bone mass, to prevent the occurrence of osteoporosis; Taonan Hospital of Traditional Chinese Medicine Department of Surgery, Yu Nianfeng 51 years old-70 years old, osteoporosis, supplementation of osteogenic elements can slow down the progress of osteoporosis, prevention of bone fracture, 71 years of age or older, osteoporosis with fracture full period, supplementation of osteogenic elements can reduce fracture incidence, promote fracture healing