National medical master Professor YAN Dexin has long been engaged in researches on cardiovascular and cerebrovascular disease. He values qi and blood theory in academic and posed‘qi is the chief pathogen of all diseases’

‘blood is the womb of every diseases’ as outlines in diagnosis and treatment of heart system diseases. He introduced the theory that ‘blood stasis exists in prolonged illness and odd illness’ and proposed ‘moving qi and blood to make them coordinate and then reach a state of harmony’as a main treatment principal. He also created the idea of ‘harmony method’and established a series of theories and practical methods to treat heart system diseases. In clinical practice

he excels at treating diseases from the qi and blood perspective

and makes tonifying qi

warming yang

invigorating blood as three main treatment principals. To sum up

Prof. Yan’ s prescription features include tonification and purgation in combination

giving attention to upper and lower body

applying cold and hot medicinals together

treating qi and blood simultaneously

performing both opening and closing methods

up and down lifting combined

adding or removing medicines according to syndromes

which are remarkably effective.