Spleen deficiency can cause a person to lose weight. Spleen deficiency is a condition characterized by insufficient spleen qi and dysfunctional transportation. According to Chinese medicine, the spleen can transport the essence of digested food to the internal organs and meridians of the body to nourish the organism. When the spleen qi is deficient, the function of transporting and transforming food essence and microflora is weakened, and the body does not receive nutritional support, then the symptoms of emaciation and yellowish color (yellowish and lusterless) will appear. Clinical manifestations of spleen deficiency also include reduced diet, abdominal distension, aggravation after meals, loose stools, tiredness of limbs, and lack of qi and laziness (lack of strength, not wanting to talk). If the spleen yang qi is weak, abdominal pain, warmth, coldness, lack of warmth in the limbs, loose stools, loose stools, and undigested food in the stools. If the spleen qi is weak (spleen qi is weak) and sinks, it can also be seen in the heavy fall of the epigastrium (abdomen), frequent bowel movements, heavy anus, prolonged dysentery, prolapse of the anus, and uterine prolapse. Patients should seek medical advice if symptoms occur, and should not make diagnosis or use medication on their own to avoid delaying their condition.