And based on the report of the World Health Organization in the year 2000, it identified 4 functions or goals for health systems, the most important of which are providing health services in a good and patient manner, finding funding and continuous supervision.

Background:Patients are at high risk for injury or death every day because of medication errors (1).Organized and systematic tactics to improve tasks, technology, environment and organizational culture associated with medication system are required for patient safety.Method: we review medication error reporting system in last three months in general ward of hospital X. Conclusion:Reporting system and reviewing and correcting causes that leads to ME may help to prevent ME, specially that reach patient. (Near miss) It reveals that incidence of ME is decreased and especially ME that cause patient harm. Recommendations:Within hospital, areas of medication ordering, dispensing, administrative should be well known (5). About Possibility that might go wrong during utilization of medication administration devices (e.g. infusion pumps) should be well known by nurse (6).Pharmacists should self-check or double check with other pharmacist in reading prescriptions, labeling and dosage calculations (7).