To use data mining technology to analyze the clinical case data of traditional Chinese medicine syndrome differentiation on post-abortion complications,and to study the application of traditional Chinese medicine prescriptions.Methods:Mining method based on K-means clustering,targeting medicine case database was analyzed and deconstructed from the two aspects of medicinal and prescriptions.Results:This study involved 58 medical records,109 consultations,68 clinical symptoms,and 176 medicinal.After the K-means clustering mining,the drugs were classified into 24 categories,and prescriptions 20 categories.Conclusion:Chinese medicine masters treated postoperative abortion status and complications.The main viscera is liver and kidney.Compatibility focuses on multi-viscera combined treatment,and clinical treatment of blood deficiency Syndrome differentiation of blood,blood stasis,and blood spillage,combining the righting drugs that take into account kidney,liver,nourishment,and hemostasis in combination with products of removing blood stasis,dampening dampness,lowering qi,and dissolving evil,and the structure of the prescription is mostly a compound method.Liuwei Dihuang Pill,Wuzi Yanzong Pill,Yougui Pill,Erxian Decoction,which are based on the Siwu Decoction as the core foundation,are often added and subtracted.