A low level of serum globulin is usually not a problem if there is no discomfort, and regular checkups are sufficient. Human serum globulin, also known as immunoglobulin, is a protein in the human body that has an immune effect. Immunoglobulins mainly include immunoglobulins A, G, M, E, and D. When immunoglobulin levels are low, it may be due to certain immune disorders, or due to malfunctioning or abnormalities in the body’s immune system. If the immunoglobulin level is a little low, but the organism has no symptoms, and at the same time the examination reveals no disease, it usually does not matter. It is recommended to have regular checkups to determine the health status of the organism. Moderate exercise is also effective in strengthening the immune system. Low globulin, if there are other symptoms, it is recommended to consult a doctor in time.