MDS is a common hematologic disease that threatens human health and has an increasing trend, with an incidence 3-4 times higher than that of acute myeloid leukemia. Although the cause of pathogenesis is unclear in some cases, many cases are due to clonal proliferation of cells caused by biological, chemical or physical factors. Therefore, preventive measures should be taken. Medical personnel should recognize the dangers of drug abuse and use chemotherapy drugs with caution; radiation therapy should also strictly grasp the indications; when exposed to harmful substances such as chemicals (e.g. benzene, polyvinyl chloride) in relevant industrial and agricultural production, labor protection should be done to prevent harmful substances from contaminating the surrounding environment to reduce the incidence of MDS. MDS is closely related to emotions, so it is very meaningful to be optimistic and happy to prevent the disease. 2, dietary conditioning The right diet can nourish, prolong life, and prevent disease. In the process of disease treatment or after treatment, through dietary conditioning can avoid the further development or recurrence of disease, and is conducive to physical recovery. Pay attention to nutrition and reasonable diet, the intake of meat, eggs and fresh vegetables should be comprehensive, not partial food, relatively light. Specific attention to the following: (1) eat more food rich in carotene, vitamin C and E: such as carrots, pumpkin, tomatoes, etc. (2) Eat more foods rich in selenium: mushrooms, asparagus, green garlic, seafood, etc. (3) eat more food rich in curcumin: such as 10-15 grams of ginger sliced and boiled soup every day, plus some honey as a drink is very beneficial. 3, mental conditioning liver qi depression and the onset of MDS is closely related, there are data suggesting that the onset of MDS before the more serious mental stimulation for more than six months. Therefore, it is very important to promote open-mindedness, open-mindedness and cultivation in the process of disease management.