Anorexia is the most commonly seen childhood disease. Based on the physiology of the Spleen and Stomach， the specific traits of this pathology and the most common causes of disease， Professor Hu Tiancheng outlines four types of treatment based on differential diagnosis：Spleen and Stomach qi vacuity， Spleen and Stomach yin vacuity， Spleen and Stomach damp-heat， and Liver-Spleen disharmony. The strategy of arousing the Spleen and opening the Stomach， giving priority to harmonizing yields satisfying result in the treatment of this disease.