Irritable bowel syndrome evidence belongs to the category of Chinese medicine plankton evidence, mostly related to the deficiency of spleen and stomach, spleen loss of healthy transportation, irritable bowel syndrome patients can drink hawthorn water. However, its active ingredients are limited, and the treatment of the disease should be based on the physician’s medication guidance. Hawthorn is used as medicine with the dried mature fruit of Shanlihong or hawthorn, which is sour, sweet, slightly warm in nature, and belongs to spleen, stomach and liver meridians. Hawthorn has the efficacy of eliminating food and strengthening the stomach (promoting food digestion and strengthening the function of the stomach and internal organs), promoting the flow of Qi and dispersing blood stasis, resolving turbidity and lowering lipids (clearing the body of impurities and reducing excess fat in the body), etc. It can be used to treat stagnation of meat and food. It can be used in the treatment of meat and food stagnation, stomach and epigastric distension, diarrhea and abdominal pain, blood stasis and menstrual closure. Irritable bowel syndrome patient evidence belongs to the category of Chinese medicine plagiarism, mostly related to the deficiency of spleen and stomach, spleen loss of healthy transportation, symptoms such as gastric distension and fullness, diarrhea and loose stools (feces are thin and not shaped) and other diseases. Therefore, proper consumption of hawthorn water can be used to assist in the treatment of irritable bowel syndrome. The adverse reaction of Hawthorn Water is not clear, but it should be prohibited for those who are allergic to this product, and should be used with caution for those who are allergic to the product and those who have excessive secretion of gastric acid. It should be noted that the active ingredients of hawthorn water are limited, and it is recommended to take the medicine under the guidance of traditional Chinese medicine practitioners, and not to use the medicine blindly, so as not to make mistakes.