Vanco, also known as bortezomib, is indicated for chemotherapy use in malignant tumors such as multiple myeloma and set cell lymphoma. The side effects of Vanco mainly include the following: 1. Peripheral neuropathy, which is the most common side effect of Vanco, will lead to numbness, abnormal sensation and even pain in the hands and feet of patients, but rarely affects motor function. 2. Hypotension, especially postural hypotension, when patients suddenly sit up from lying down, they will experience fainting and other manifestations of hypotension. 3. Liver and kidney function damage, Vanco has a certain Damaging effect, resulting in elevated transaminases and blood creatinine. 4, has an effect on hematopoietic function, Vanco will inhibit bone marrow hematopoietic function, resulting in a decrease in white blood cells and platelets, especially platelets, the peak effect time is about 10 days after the patient’s chemotherapy. 5, causes nausea, vomiting and other side effects of gastrointestinal reactions, etc.