The main role of immunoglobulin injections for newborns is to enhance the child’s immunity, which can help the child to resist external bacterial or viral infections on the body, prevent and treat infections in newborns, especially premature babies, and immunoglobulin can synthesize pathogens, but also prevent hives, infectious hepatitis, and many other diseases. In general doctors will immunoglobulin, combined with antibiotics together, can be more effective to improve the efficacy of certain bacterial or viral infection symptoms, in addition to this, pay attention to the use of immunoglobulin injections for babies, need some indications. Because immunoglobulin belongs to the blood products, the immunity to the human body is passive, after a period of time will disappear, only the child through infection or vaccination, the active immunity can be maintained for many years or lifelong, to understand the above situation in order to be able to use immunoglobulin to prevent and control diseases reasonably and more effectively.