Bone peptide injection is a drug that promotes bone healing and growth. It is mainly used in two types in clinical practice: firstly, when patients have the presence of fracture, they are given static dose of bone peptide injection. Bone peptide injection has the effect of promoting the growth of bone cells, which can speed up the healing of bones and also reduce the local swelling. Secondly, the osteoporosis appeared in the elderly, such as the pain in the low back of the elderly, radiating from the center of the low back to both sides, is considered to be the pain in the low back caused by osteoporosis, and can be given the bone peptide injection for about 3 weeks to promote bone growth to relieve the pain in the low back. In clinical practice, the efficacy of applying bone peptide to these two types of patients mentioned is still relatively obvious.