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Objective: To systematically analyze the basic information, research contents and related problems in the design of literature in the research field of traditional Chinese medicine (TCM) for irritable bowel syndrome, as well as to provide reliable evidence for improving clinical efficacy of IBS. Methods: Clinical observational literatures on the treatment of irritable bowel syndrome by TCM in 2009-2019 were searched in following Chinese databases:Chinese National Knowledge Infrastructure (CNKI), Wan Fang Database, China Science and Technology Journal Database (VIP). After selection, included studies were categorized by items as publication time, author regional distribution, treatment of TCM and control group, etc.. Then we analyzed and evaluated the clinical effects of TCM treatment of irritable bowel syndrome. Results: 1. Of the 986 literatures retrieved, 318 met the inclusion criteria, and the number of relative literatures increased year by year. 2. There were 224 literatures related to syndrome differentiation, in which 20 types of TCM syndromes were involved. The top three were the syndrome of disharmony between liver and spleen, deficiency of spleen Yang and kidney Yang and deficiency of spleen with damp retention, accounting for 53.12％、15.17％ and 8.48％. 3. There were 90 literatures on non-dialectical medication, among which Self-made Prescriptions (自拟方) were the most commonly used, accounting for 34.44％. 4. There were 39.13％ of the control group using antispasmodic. Among the antispasmodic, 57.58％ was Pinaverium bromide. 5. Only 57 literatures were related to the recurrence rate, among which 54 showed a statistically significant difference between the two groups (P<0.05). 6. There were 142 literatures involved in the observation of adverse reactions of patients, and the adverse reactions mainly included dryness in the mouth, constipation, abdominal pain, diarrhea, nausea, etc.. 7. After the evaluation of the quality of the included literature, it was found that among the types of randomized controlled trials (RCTs), 5 was class I, 27 were class Ⅱ, and 273 were class Ⅲ; In non-randomized controlled trials, 13 were all class Ⅲ. Conclusion: The number of literatures on TCM treatment for irritable bowel syndrome was increasing year by year, showing that more and more attention had been paid to the clinical application and research of TCM by clinical workers and researchers. While In the clinical research of TCM treatment of irritable bowel syndrome, there were some deficiencies, such as non-standard TCM syndrome type, the main subjects of this study were irritable bowel syndrome-D and the international scale for evaluation of irritable bowel syndrome was not used in most of the experiments. Therefore, it is an urgent need for more high-quality clinical research in attempts to provide enough and reliable evidence to guide the medical care.