In the past two years, the product of qingchang sausage products has been sold relatively hot, especially the various kinds of qingchang tea, because the price is cheap, the effect is quick, has been the love of constipation patients. But as consumers do not know how much harm is done to long-term use of such products. Colon cleansing products to sell in the market now, especially colon cleansing tea, mostly USES the Chinese native medicine ingredient, its composition with rhubarb, glauber's salt, aloe vera, cassia seed, senna, etc, these drugs in traditional Chinese medicine is known as the cold remedy to the case, if short term use, general question is not big. If used for a long time, it can damage the normal qi of the human body, low immune function, weak constitution and drug dependence, and mild constipation can lead to secondary constipation. It can lead to chronic diseases such as kidney failure and liver cirrhosis. Recent study found that long-term use of laxatives, can make the beneficial bacteria breeding restricted in the body, harmful bacteria increased accordingly, not only the bowel function is damaged, the more serious for harmful bacteria to produce large amounts of carcinogenic substances not discharge in time outside. In the long run, it is easy to cause cancer in the bowel.