Dandelion can treat constipation to a certain extent, but can only treat constipation in a class, dandelion is sweet, bitter and cold, the main effect is to clear away heat and detoxification, reduce swelling and dissipate knots, diuretic and diarrhea. Constipation in the clinic is most common for solid and false constipation, solid constipation is mainly divided into heat constipation, gas constipation and cold constipation, false constipation mainly includes gas deficiency, blood deficiency, yin deficiency, yang deficiency, etc., so for constipation in the heat constipation, dandelion can clear heat and detoxification, to a certain extent, can be used to treat the stagnation of stools to produce internal heat heat of the heat constipation. Dandelion in the treatment of constipation in the clinical use of less, the treatment of constipation as long as there is a precipitous down and slow down, precipitous down such as rhubarb, manganese nitrate, slow down, such as hemp seed kernel, flaxseed and so on.