According to Chinese medicine, colitis means “diarrhea” and “abdominal pain”, and Ginseng Ling Bai Zhu San is effective in relieving colitis caused by weakness of the spleen and stomach. The manifestations of colitis include abdominal pain, increased frequency of bowel movements, loose feces, and even watery discharge. According to Chinese medicine, colitis is often caused by weakness of the spleen and stomach, liver depression and spleen deficiency, spleen and kidney yang deficiency (deficiency of yang qi in the spleen and kidneys), yin deficiency, dampness-heat accumulation (dampness and heat evils accumulate with each other in the body), and qi stagnation and blood stasis (stagnation of blood due to lack of qi flow). Ginseng Ling Atractylodes Macrocephalae is composed of ginseng, poria, atractylodes, Chinese yam, white lentil, etc. It has the effect of tonifying the spleen and stomach and benefiting the lungs, and is often used in the clinic for the treatment of loose stools (thin and unshaped feces), shortness of breath and coughing, and tiredness and fatigue caused by the weakness of the spleen and stomach. It is not suitable for patients with cold and fever. Therefore, Ginseng and Atractylodes Macrocephalae can be used to treat colitis caused by weakness of the spleen and stomach. It is recommended that patients who need it should consult a doctor in time and take the medicine under the doctor’s guidance.