Zoledronic acid (International generic drug name: Zoledronic acid, Novartis's product name is "Zhuo Bone powder Injection" Zometa or reclast) is a phosphate drug. He is used to prevent fractures in patients with cancer, such as multiple myeloma and prostate cancer. The drug is also used to treat cancer patients with high blood calcium and painful bone metastases. Reclast is a 5mg intravenous drip for the treatment of malformed osteoarthritis and is also being used to treat osteoporosis.