Zetia Injection is chemically known as zoledronic acid for injection, and the drug is mainly used to treat problems such as bone pain caused by osteolytic bone metastases from malignant tumors. Zoledronic acid for injection is effective in treating patients with breast cancer bone metastases as well as patients with osteoporosis. The drug belongs to the bisphosphonic acid compounds, which have a high affinity for mineralized bone and can act selectively on bones. It can also inhibit the resorption of bone cells and increase bone density. Zoledronic acid for injection can also have some adverse reactions after injection, the most common of which are weakness, vomiting, bone pain, and redness and swelling at the injection site. It is contraindicated for pregnant women, patients with allergy to bisphosphonates, and those with severe renal insufficiency. When choosing zoledronic acid for injection, patients should be injected under the guidance of a doctor, and should go to the hospital for examination and treatment in time when adverse reactions occur.