Anthracycline is one of the chemical drugs commonly used worldwide for the treatment of various types of cancer. The high doses of it cause unwanted toxic side effects on the tissues. Our study designed to demonstrated the physiological and histopathological effect of the drug on the heart organ of experimental animals. For this purpose, twenty adults male rats were used in this study and were divided into four main groups. Control group, Azoxymethane treated group, Azoxymethane qrand anthracycline treated group, and anthracycline treated group only. Blood of the experimented animals was collected in order to measure biochemical parameters such as glutathione, lactate dehydrogenase, malondialdehyde, peroxynitrite, Creatinine Kinase, C-reactive protein Creatine kinase –myocardial band, and Myoglobin concentrations. In this study a significant increase and decrease was observed in biochemical parameters. Histological examination on the heart shown that rats treated with AOM have been revealed only hypertrophy of cardiac muscles, while other groups were observed hypertrophy of cardiac muscles furthermore. Aorta in AOM group have been revealed Adverse histological changes and transformation in the thickness aortic wall layers. The tissue sections of the groups treated with Anthracyclin showed a negative effect on the aortic wall layers, the endothelial layer and the middle layer, as well as the outer layer in the sections prepared from these groups.