At present, there are two types of osteoporosis injections: first, intravenous infusion, including ibandronate and zoledronic acid two types of drugs, both belong to bisphosphonates, through and hydroxyapatite combination, inhibit the function of osteoclasts to achieve the effect of reducing bone resorption and improving bone density, depending on the situation, there are 4 months infusion once, but also once a year infusion. Common adverse reactions include fever, body aches, vomiting, nausea and other flu-like symptoms, and a very small number of people will experience a transient decrease in kidney function. Second, subcutaneous injection, currently available in China is teriparatide, subcutaneous injection 1 time/day, is the only drug to promote bone formation, for patients with high fracture risk has good efficacy, especially for reducing vertebral fractures, better than all other therapeutic drugs.