There are not three kinds of fluid-enhancing soup for constipation, the treatment of constipation is to have two fluid-enhancing soup formulas, namely, fluid-enhancing soup and fluid-enhancing Chengqi soup, which correspond to the treatment of intestinal dryness constipation, and heat-conjugation constipation. Constipation is categorized into solid constipation and deficiency constipation. Solid constipation includes gas constipation, cold constipation, and heat constipation. Deficiency constipation includes gas constipation, blood constipation, yin constipation, and yang constipation. Enriching Liquid Soup is used to treat Yin deficiency secretion. This formula is composed of Radix Panax Ginseng, Radix Ophiopogonis, Radix Rehmanniae Praeparata, and has the efficacy of increasing fluid and moistening dryness. This formula is the basic formula for treating heat illnesses that injure the fluid and intestinal dryness and constipation, which is characterized by constipation, thirst, and a dry tongue. Zengyi Tang and Zengyi Chengqi Tang both treat constipation, but Zengyi Chengqi Tang is a combination of Zengyi Tang with rhubarb and manganese nitrate, which is particularly strong in diarrhea, and is used in cases of intestinal dryness and yin deficiency, with heavier heat knot. Both of these two prescriptions belong to the cold down, non-constipated people should not take, in order to prevent cold, diarrhea hurt the spleen and stomach. If there is a need for medication, it is recommended that it be used under the guidance of a professional physician, and not blindly self-medication.