Wasting, cold limbs and dry stools may be caused by insufficient intake of nutrients, such as eating disorders, or caused by chronic wasting diseases, such as tumors and tuberculosis. 1. Inadequate intake of nutrients: nutrients refer to sugars, fats and proteins, all causes of insufficient intake of nutrients can lead to lethargy, dry stools, accompanied by cold extremities, such as oral diseases, esophageal injuries, myasthenia gravis, etc. caused by eating disorders, or due to anorexia nervosa, depression, chronic atrophic gastritis, etc. caused by a decrease in food intake. 2. Chronic consumptive diseases: when the body patients with chronic consumptive diseases, there can be obvious wasting, can be accompanied by abdominal distension, dry stools, cold limbs, dizziness, fatigue and other discomforts, such as severe tuberculosis, tumors or certain chronic infections. Wasting, cold limbs, dry stools may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or standardized treatment.