The survival period of patients with cachexia is obviously not the same depending on the condition of the individual, the adequacy of medical resources, and the severity of the disease. If careful care is given, they can survive for about 1-2 years. Cachexia refers to tumor patients in the middle and late stages, due to the excessive consumption of nutrients by tumor and the patient’s own nutritional consumption, lack of nutrition and insufficient intake, or inability to intake and absorb, such patients will have severe wasting malnutrition after a long time, and generally have the functional decline and atrophy of organs. Such patients cannot withstand a little cold, cold, etc., that is, they cannot withstand any wind. Such patients are very fragile and need careful care. If the medical resources are good, they can survive for about 1-2 years if they are carefully cared for in a medical environment with good conditions. If the patient is in poor health and lacks careful care, nutrition is also insufficient, and there are bed sores and other infections caused by being bedridden for a long time, it is likely to be 1-2 months, and soon various organs will be damaged and multiple organ failure will occur and death will occur.