There is no such clinical assertion that constant minor illnesses are precursors to major illnesses, which is an unjustified assertion. However, constant minor illnesses do help in the early detection of certain major diseases, because this group of patients tends to pay more attention to check-ups, during which it is possible that some major disease will be detected. If you may go to the hospital for frequent checkups because of persistently high blood pressure, it is possible that adrenal tumor disease will be detected at this time. If the color of urine is not normal, or there is repeated burning and irritation when urinating, some patients may have their urine routinely checked in the hospital, and at this time, they may detect the presence of glucose, protein, and increased red blood cells in the urine through the urine routine, which may indicate the development of nephritis, nephrotic syndrome, stones, tumor diseases, and other internal system diseases. Therefore, although constant minor illnesses are not precursors to major diseases, patients with constant minor illnesses may be able to detect certain major diseases as a result of frequent checkups. Early detection and early treatment, which can achieve clinical cure, will have a very important impact on the quality of life of patients in the future.