Spleen deficiency refers to the deficiency of yin and yang, qi and blood of the spleen, which is mostly caused by dietary disorders, cold and warmth discomfort, worry, overwork or prolonged illnesses that injure the spleen. Symptoms include lethargy, yellowish color of the face, weakness of the limbs, loss of appetite, abdominal pain, bowel sounds, loose stools, diarrhea, swelling, blood in stools and leakage of menstruation (menstruation that is too profuse or drips more than one drop), and so on. The treatment of this disease can be guided by a professional physician to choose the appropriate medication, commonly used medications include Lizhong Pills and so on. Lizhong Pill has the effect of warming the middle and dispelling cold, tonifying the qi and strengthening the spleen, and is used in the treatment of cold deficiency in the spleen and stomach, blood loss due to yang deficiency, and chest paralysis (tightness and pain in the chest) due to yin and cold. In this formula, dry ginger is very pungent and hot, warms the spleen and stomach, and helps Yang to dispel cold; ginseng strengthens the spleen, nourishes the deficiency and helps Yang; Rhizoma Atractylodis Macrocephalae not only strengthens the spleen and nourishes the deficiency, but also dries dampness and transports the spleen to help the biochemistry; Licorice can be used with ginseng and Rhizoma Atractylodis Macrocephalae to strengthen the spleen and nourish the deficiency and help Yang; it can also alleviate the urgent pain (relieve the pain of the symptoms of the urgency); and it can be used for the harmonization of all the medicines (harmonization of the properties of different herbs). The adverse reactions and contraindications of Lizhong Pill are not clear. When discomfort occurs, one should consult a doctor in time and choose medication under the guidance of physician’s diagnosis, and should not use medication on one’s own in order to avoid delaying the condition.