Objective: To analyze the composing principles of the prescriptions of professor Li Jin-qian for chronic diastolic heart failure based on Traditional Chinese Medicine (TCM) Inheritance Support System (V2.5). Method: Efforts were made to collect 55 patients' prescriptions of chronic diastolic heart failure cases

enter the data into the TCM inheritance support system

and analyze the data by using frequency analysis

association rules

complex system entropy clustering and unsupervised hierarchical clustering. Result: Totally 64 prescriptions were screened out for the analysis

including 70 herbs. And the total frequency was 2 094.The most frequently used ones were Codonopsis Radix

Astragali Radix

Chuanxiong Rhizoma

Aurantil Fructus

Poria

Platycodonis Radix

Corni Fructus

Paeoniae Radix Rubra

Ophiopogonis Radix

Schisandrae Chinensis Fructus. They were often used at the dosage of 30

50

20

15

30

15

30

20

15

20 g. Among the prescriptions

there were 47 and 22 combinations of three and four herbs with the frequency of more than 50 times

155

67 and 10 combinations of five

six and seven herbs with the frequency of more than 35 times

and six combinations of nine herbs with the frequency of more than 30 times. Through the association rules among herbs

seven core combinations and two new prescriptions were evolved. Conclusion: Professor Li is good at using the principle of supplement Qi and warming Yang in treating chronic diastolic heart failure. Besides

he also applied deficiency-tonifying medicine to nourish the heart

and used blood-activating and heat-clearing medicines to replenish Qi

nourish Yin and Qi and motivate blood.