Through the database retrieval of National Patent Bureau China National, China National Knowledge Infrastructure, filtering out 56 Chinese patent medicines and traditional Chinese medicine formula based on aromatherapy method the treatment of coronary heart disease and into the auxiliary system of Traditional Chinese medicine inheritance platform software(V2.5), adopted the improved mutual information method of software integration, entropy clustering of complex systems, and unsupervised entropy hierarchical clustering and other unsupervised data mining methods, and analysed the law of traditional Chinese medicine prescription. Among them, the frequency of use is greater than 10, 9 Chinese herb, is ranked in the top four borneol(28), musk(17), storax(17), rhizome chuanxiong(15), set support number 10 and confidence 0.7, reach the top three drugs on frequenc of borneol, musk(14), borneol, storax(14), storax, musk(12), as can be seen aromatherapy method of the treatment of coronary heart disease and at the same time with activating blood, qi and blood circulation, and can get the core evolution drug combination 14, seven new prescription, The data mining results can provide reference for clinical guidance and the development of new drugs。