Chronic diseases are usually referred to as common chronic diseases, for example, the following: first, cirrhosis of the liver, the appearance of liver lobular hyperplasia, degeneration and lead to cirrhosis, and even gastrointestinal bleeding, etc. Second, diabetes combined with nephropathy, diabetes combined with changes in the fundus, diabetes combined with peripheral neuritis and nephrotic syndrome. Third, rheumatoid arthritis combined with joint changes and joint deformation. Fourth, hypertension, hypertension combined with cardiac changes and damage to target organs and organs. Fifth, chronic renal failure in the decompensated stage, combined with uremia. Sixth, anemia, especially iron deficiency anemia, refractory anemia and chronic long-term anemia. Seventh, chronic heart failure, commonly in patients with cardiac insufficiency. Eighth, peptic ulcer, chronic active ulcer, cerebral hemorrhage, sequelae of cerebral infarction, and coronary atherosclerotic heart disease.