Drug treatment of osteoporosis. The first is to supplement calcium and vitamin D, which can promote patients' calcium absorption and calcium supplement. However, only calcium supplement is not enough for the treatment of osteoporosis. Drugs should be added according to the situation of patients. At present, the commonly used drugs include the first class of anti bone absorption drugs, mainly bisphosphonate drugs, such as zoledronic acid sodium, risedronate sodium, alendronate sodium salt and so on. The second is calcitonin, which is suitable for osteoporosis patients with pain symptoms, but should not be used for a long time. There are also selective estrogen receptor modulators and estrogen drugs. These drugs can resist bone absorption, that is, anti bone absorption and anti calcium loss. The third category of drugs is the most commonly used drugs to promote bone formation, including Forteo.