The body wasting of the elderly in their 60s may be physiological factors, or it may be the manifestation symptoms of certain diseases, such as diabetes mellitus, cerebrovascular disease, cerebral vascular disease, etc., and they should consult the doctor to find out the cause of the disease in time. 1. Physiological factors: If the function of the digestive tract declines after the age of the elderly, it is difficult for the ingested diet to be absorbed and digested by the intestinal tract, so there is a manifestation of body wasting. 2. Pathological factors (1) Diabetes mellitus: If a 60-year-old person suffers from diabetes mellitus, it may cause fat to be consumed, thus leading to wasting and other symptoms. (2) Cerebrovascular disease: If a 60-year-old person suffers from wasting, he or she may suffer from cerebrovascular disease, such as cerebral infarction, which may lead to dementia and cognitive decline, and may affect eating, thus leading to wasting. (3) Tumor diseases: Tumor diseases affect the digestion and absorption of food, and also consume a lot of energy in the body, leading to the symptoms of thinness. There may also be other causes, such as hyperthyroidism, tuberculosis, gastrointestinal diseases, etc., which should be treated promptly by a doctor after the cause of the disease has been clarified.