Objective： To explore the medication patterns of Professor Huang Xili in the treatment of chronic pelvic inflammatory disease (CPID). Methods: From January 2021 to December 2022, the prescriptions of Professor Huang Xili’s outpatient treatment of chronic pelvic inflammatory disease (CPID) were collected, and the TCM inheritance assistance platform (V2.5) software was used to analyze and summarize the medication rules. Results: A total of 974 prescriptions were collected, involving 91 kinds of traditional Chinese medicine. The four kinds of qi were mainly cold, followed by warm. Bitter taste was the most, spicy taste was the second. The frequency of hepatic channel was the highest, followed by spicy heart channel and spleen channel. A total of 38 pairs of common drug combinations were obtained by association rule analysis, and 6 potential new prescriptions were obtained based on entropy clustering method. Conclusion: Professor Huang Xili’s main treatment methods for chronic pelvic inflammatory disease include clearing heat, detoxifying, removing dampness, nourishing blood, promoting blood circulation, removing blood stasis, soothing the liver, regulating qi, and relieving pain. This reflects Professor Huang’s treatment philosophy of putting the disease first, treating from the perspective of the internal organs, and balancing the elimination of evil and the strengthening of the body.