Six Gentlemen Soup can be used to treat weak spleen and stomach type of irritable bowel syndrome, and Four Substances Soup cannot treat irritable bowel syndrome, so it is recommended to consult a doctor. Irritable bowel syndrome is a western medical concept, which belongs to the category of “abdominal pain”, “constipation”, “diarrhea”, etc. It is divided into liver depression and stagnation of qi, liver qi multiplying the spleen (excessive liver qi encroaching on the spleen), Weakness of the spleen and stomach, intermingling of cold and heat, and dryness and heat in the large intestines, etc. Abdominal pain, discomfort, bloating, diarrhea alternating with constipation, and mucus in the feces, etc., which are commonly associated with emotions, are common. Six Gentlemen Soup with Radix et Rhizoma Ginseng, Rhizoma Atractylodis Macrocephalae, Poria, Radix et Rhizoma Glycyrrhizae, Pericarpium Citri Reticulatae and Semen Haematoxylae is effective in tonifying qi and strengthening the spleen, drying dampness and resolving phlegm (expelling dampness and resolving phlegm by drying dampness). It can be used for symptoms such as loose stools (scanty and unformed feces), chest and epigastric constriction (feeling of fullness and stuffiness in the chest and abdomen), and vomiting and retching. Four Substances Soup consists of Angelica sinensis, Rhizoma Ligustici Chuanxiong, white peony, and cooked and dried Radix Rehmanniae Praeparata, which can tonify and regulate blood. It is used for the deficiency of the flushing period. Irregular menstrual flow, pain in the umbilicus and abdomen, and leakage in collapse. Hard mass in the blood impediment with occasional pain. Restlessness of the fetus in pregnancy, with more than one blood discharge, and post-partum malignant discharge, with lumps, firm pain in the abdomen, and chills and fever at times. It is recommended that patients in need of treatment should consult a doctor in a timely manner and be treated accordingly under the doctor’s guidance of diagnosis.