Objective To analyze the medication laws for blood stasis pattern of cardiovascular diseases treated by Academician CHEN Keji. Methods Medical cases with complete data recording Academician CHEN’ s treatment were collected and the database was established to pool general information

first visit to doctor

physical and chemical inspection

prescriptions of traditional Chinese medicine and further consultation. The medicinals for promoting invigorating blood circulation and eliminating stasis were calculated

and the correspondence of medicinalsmedicinals

medicinals-diseases

and medicinals-symptoms were analyzed

with assocation rules

and frequently used medicinal geared to symptoms and physical signs were treated by multidimensional data analysis. Results A total of 20 medicinals on activating blood and eliminating stasis were used for cardiovascular diseases with blood stasis syndrome（ BSS）. The top 5 frequently-used medicinals were Chishao（ Radix Paeoniae Rubra

32. 13%）

Yanhusuo（ Rhizoma Corydalis

29. 60%）

Chuanxiong（ Ligusticum Chuanxiong

28. 88%）

Danshen（ Salvia Miltiorrhiza

25. 99%） and Honghua（ Safflower Carthamus

23. 10%）. Association analysis between medicinals and diseases showed that Chuanxiong（ Ligusticum Chuanxiong） and Chishao（ Radix Paeoniae Rubra） had the highest confidence coefficient（ CC） for post-Stenting coronary heart disease patients with blood-stasis pattern. The most frequently used medicinals for hypertension patients with BSS were Niuxi（ Achyranthes bidentata）

Chishao（ Radix Paeoniae Rubra）

Gandihuang（ dried Rehmannia）

Chuanxiong（ Ligusticum Chuanxiong） and Danshen（ Salvia Miltiorrhiza）.The most frequently used medicinals for arrhythmia patients with BSS were Yanhusuo（ Rhizoma Corydalis）

Chuanxiong（ Ligusticum Chuanxiong）

Gandihuang（ dried rehmannia）

Danshen（ Salvia Miltiorrhiza） and Danggui（ Angelica sinensis）. Yanhusuo（ Rhizoma Corydalis

0. 80）

Danshen（ Salvia Miltiorrhiza

0. 80） and Xiebai（ Allium macrostemon Bunge

0. 80） had the highest CC when cardiovascular diseases presented with cardiac pain. While the CC of Chishao（ Radix Paeoniae Rubra） was 0. 80 when purple dark tongue with yellow coating occurred. When purple dark tongue accompanied with intolerance of cold

the CC of Danggui（ Angelica sinensis

1. 00） was the highest. Multidimensional data analysis showed that the medication differed when BSS presented with different symptoms and signs

Mudanpi（ Cortex Moutan Radicis） always be selected to treat ecchymosis tongue

Yanhusuo（ Rhizoma Corydalis） treat cardiac pain and Chuanxiong（ Ligusticum Chuanxiong） to treat headache.Conclusion The analysis results were consistent with the characteristics of Academician CHEN’ s selecting medicinals in treating cardiovascular diseases according to the differences in disease type

disease location

and accompanied syndromes and symptoms.