Abstract:〔Abstract〕 Objective Observation of effi cacy of traditional Chinese medicine Jianpi Bushen Huatan Fang on the HOMA–IR and UA in patients with polycystic ovary syndrome comorbid insulin resistance. Methods From January 2016 to December 2019, 64 patients with PCOS and IR in the Chinese medicine department of the second people's hospital of Longgang district were selected and randomly divided into observation group and control group, each with 32 cases. Treatment group was given the traditional Chinese medicine. Control group was given Diane-35 combined therapy with metformin hydrochloride, 3 months is 1 treatment course. Then observe the changes of menstruation and Hormone Variety before and after treatment. Results According to Guiding Principle of Clinical Research of New Traditional Chinese Medicine, the treatment of menstruation was effective for 25 cases (86.20%) in control group and 27 cases (87.09%) in the treatment group. The menstrual symptoms of treatment group and control group were significantly improved .HOMA–IR, BMI, LH/FSH, T hormone decreased obviously (P < 0.05), T hormone of the control group decline signifi cantly, UA of the treatment group decreased signifi cantly, There is signifi cant difference of HOMA–IR between two groups after treatment (P < 0.05). Conclusion The results showed that Jianpi Bushen Huatan Fang can reduce insulin resistance in patients with PCOS Comorbid IR and lower uric acid level.