Immunoglobulin can enhance personal immunity, neutralize free toxins, and play a role in preventing diseases by improving personal immunity. Immunoglobulin is an important substance in the body, which plays an important role in growth, development and metabolism. Clinical application of immunoglobulin is used in the treatment of related diseases, such as primary immune thrombocytopenia, hemolytic anemia, and congenital gammaglobulin deficiency. In addition, patients with severe allergic diseases may also choose to use immunoglobulin treatment as prescribed by the doctor, such as allergic rhinitis, asthma and other diseases. Excessive lack of immunoglobulin in the body may increase the risk of suffering from infections, and one should actively observe oneself to see if there are symptoms of immunoglobulin deficiency and actively take medication. It is recommended to take more nutritional supplements, you can choose some foods rich in protein and vitamins, which are beneficial to the health of the body. Eating some fruit after meals can promote the absorption of nutrients, and pay attention to a balanced diet, pay more attention to rest, adhere to the exercise, improve immunity.