Immunity-enhancing drugs usually include chaste astragali fuzheng granules and human immunoglobulin. 1. Astragalus Fuzheng Granules: Astragalus Fuzheng Granules can usually play a role in enhancing immunity, and can also protect the function of bone marrow and adrenal cortex. The main ingredients usually consist of chasteberry and astragalus. 2. Human immunoglobulin: Injection of immunoglobulin is a kind of passive immunotherapy. It is to transfuse a large amount of antibodies contained in immunoglobulin to the recipient, so that it will quickly reach a temporary immune protection state from a low or no immune state. In addition to the above medications, you can also consume foods rich in vitamins, proteins, and minerals, all of which help to enhance immunity.