Children’s lack of appetite is related to spleen loss, spleen and stomach qi deficiency, spleen and stomach yin deficiency (insufficient yin fluid in the spleen and stomach), and liver and spleen disharmony (the liver and spleen cannot work in coordination). You can follow the doctor’s instructions to take Buwajin Zhengqi San, Iso Gong San, Nutritious Stomach and Enriching Liquid Soup, and Free Pill to regulate the spleen and stomach. 1. When the spleen loses its healthy movement, there is poor appetite, no desire to eat, less food, chest tightness, belching (hiccups), acid reflux, irregular bowel movements (abnormal stools), and abdominal distension after eating too much, take Bu Chang Jin Zheng Qi San with additions and subtractions to regulate the spleen and stomach and to transport the spleen and open up the stomach. The medicines include burnt hawthorn, fried malt, burnt shenqiu, citrus aurantium, half-summer, patchouli, chenpi, pelargonium, cangzhu and so on. 2. If the spleen and stomach are deficient in qi and don’t want to eat, don’t digest what they eat, have a poor complexion, and have tiredness and fatigue, take Isokong San with additional subtractions to strengthen the spleen and enhance qi, and to assist in transporting the spleen and stomach. Medicines include Chen Pi, Codonopsis, Poria, Licorice, Atractylodes Macrocephala, and so on. 3. If there is deficiency of Yin in the spleen and stomach, such as not wanting to eat, dry skin, dry stool, irritability and insomnia, hot hands and feet, take Nourishing Stomach and Increasing Liquid Soup with addition or subtraction to nourish the spleen, nourish the stomach and help transportation. Medicines include maitake, bei sha shen, dendrobium, yuzhu, bai shao, wu mei, baked licorice, fried malt, burnt hawthorn and so on. 4. For anorexia, belching, irritability, fatigue, lethargy, dyspepsia (abnormal bowel movement) after liver-spleen disharmony, take Loosening Powder with additional subtractions to dredge the liver and strengthen the spleen (to regulate the liver qi and strengthen the spleen function), and regulate the qi and help transportation. One should consult a doctor in time and choose appropriate medication under the doctor’s guidance to avoid delaying the condition.