Myocardial infarction (MI) is a life threatening disease that influences the physical, psychological and social dimensions of the individual. there is no doubt that Improper lifestyle is one of the causes of this disease. The designing and implementing of discharge plan for MI patients at cardiac care units could be one of the important and fundamental steps in changing the risk factors associated with MI and improvement of MI patient's outcomes indicated by increasing patient's knowledge, practice and compliance to the prescribed regimens.