Aim To observe the clinic and the coronary artery’s aspect of coronary heart disease. Methods 967 patients of coronary heart disease diagnosed by coronary artery angiography were collected, and divided into three groups according to the level of blood glucose: the DM, the IGT and the NBG, and their clinic aspect and the results of coronary artery angiography were compared. Results The stroke and the coronary artery of left main and left anterior descending branch is higher, the age is younger in DM than in NBG (p<0.05), the multi-artery diseases and the grave artery diseases are higher in DM and in IGT than in NBG(p<0.05). Conclusions The coroanry heart disease with DM or IGT of ten have extensive and grave artery diseases, so we should control the level of blood gloucose from many aspects as early as possible.