The full name of the hepatitis B antibody is recombinant hepatitis B vaccine. Contraindications to the injection of recombinant hepatitis B vaccine are: contraindication for patients who are allergic to any of the components contained in the vaccine; contraindication for patients suffering from acute diseases, severe chronic diseases, acute exacerbations of chronic diseases, and fevers; contraindication for women during pregnancy; contraindication for patients suffering from uncontrolled epilepsy and other progressive neurological disorders. In addition to the contraindications, it is also important to note that it should be used with caution in patients with a family and personal history of convulsions, those suffering from chronic diseases, those with a history of epilepsy, and those with allergies; and that you should stay in the hospital for 30 minutes after the injection before leaving. After injection of recombinant hepatitis B vaccine may appear injection site pain, tenderness, redness and swelling, or generalized transient fever and other adverse reactions, which can usually be relieved by themselves. If the patient has serious adverse reactions such as respiratory distress, urticaria, shock, etc., it is important to go to the hospital in time to avoid delaying the condition.