Abstract:To revievo the application of data mining technology in the research of medical case. Medical case study is an important means of traditional Chinese medicine (TCM).Data mining technology is an important tool in medical case research.Along with the change of medical data sources and mining purposes, mining method is increasing constantly update.Only the man-machine combination can guarantee the reliability of mining results.So the medical case of live and famous specialist of TCM further mining is particularly urgent.Inheritance research platform to constantly build based on data mining technology should be shared, and promotion, integration and optimization should be applied, to promote the TCM academic progress.