The side effects of aliskirenzumab are mainly manifested in various reactions at the local injection site, allergic reactions, cardiovascular diseases and so on. 1. Local injection site reaction: the most common side effect is the reaction of local injection site, there will be erythema, swelling, pain, tenderness, etc. Most of the injection site reactions are transient. 2. Allergic reactions: itching, coin-shaped eczema, urticaria and allergic vasculitis and other allergic reactions may occur during the use of the drug. 3. Cardiovascular diseases: Cardiovascular diseases such as coronary heart disease death, myocardial infarction, ischemic stroke, unstable angina requiring hospitalization, hospitalization for congestive heart failure and hemodialysis may occur during treatment. Alixizumab prevents cardiovascular accidents and reduces the risk of death. In adult patients diagnosed with atherosclerotic cardiovascular disease, alixizumab reduces the risk of myocardial infarction, stroke, hospitalization for unstable angina, and others. This product is contraindicated in people who are allergic to this product and the ingredients contained in it, and in pregnant and breastfeeding women The use of Alixizumab Injection should be under the supervision of a medical professional, do not self-medicate.