Aim To establish the animal model of vein graft restenosis after coronary artery bypass grafting in patients with coronary artery disease. Methods 26 New Zealand rabbits were randomly divided into three groups:( 1)high fat graft group( n = 10) : rabbits treated by autologous external jugular vein grafting to common carotid artery and fed by high fat diet;( 2) pure graft group( n = 10) : rabbits treated by autologous external jugular vein grafting to common carotid artery and fed by normal diet;( 3) normal c...