If it is dieting, long-term exercise, weight loss in the case of early one pound a day is normal, if no weight loss, no diarrhea in the case of daily weight loss a pound, is not normal. It is also necessary to clarify whether there are other accompanying symptoms such as excessive sweating, increased heart rate, protruding eyes, fatigue, etc. The daily weight loss of one pound is considered to be related to poor absorption, spleen deficiency, malnutrition, and also need to go to the hospital for examination to clarify whether there are any wasting diseases, such as tuberculosis and various tumors, etc. Gastrointestinal diseases such as gastroduodenal ulcer, chronic gastritis, chronic colitis, chronic hepatobiliary disease can also cause progressive wasting, as well as endocrine and metabolic diseases, such as hyperthyroidism, diabetes, etc. can also lead to wasting, excessive weight loss of diabetes requires insulin treatment. After the cause of the disease is clear, we need to actively treat the primary disease, and timely supplement protein and sufficient calories.