Ginseng Ling Bai Zhu Pill is a class of proprietary Chinese medicines for tonifying the spleen and stomach, which usually do not show signs of black stools after use. Ginseng and Atractylodes Pill is composed of ginseng, poria, atractylodes, lentils and tangerine peel, etc. It has the effect of strengthening the spleen and benefiting the vital energy, and can be used to treat symptoms such as tiredness of limbs, fatigue, abdominal distension, loss of appetite, and loose stools caused by weakness of the spleen and stomach. This medicine should not be used concurrently with Wu Ling Li and Soap Pods, and should not be used by patients with diarrhea and a feeling of falling down in the anus. Black stool is usually caused by gastrointestinal bleeding. This is a nourishing proprietary Chinese medicine, which usually does not cause bleeding, therefore, after using this medicine, black stool usually does not appear. If the patient has a combination of other uncomfortable symptoms, he/she should go to the hospital in time. If black stool occurs, treatment should be carried out promptly.