According to the report of Institute of Medicine (IOM) that about 7,000 of death are occur annual because of the medication error which is going worse day by day. The effect of medication error is not good for patient health. It reduces the efficiency of health care system. It is also evident from the report of IOM that about 1.5 million of people are injured because of the medication administration error and annual expense for treating those patient take more than 3.5 billion Dollars annually which is a great expense. This all happen just because of the medication administration error. To assess the barriers to which minimize reporting medication administration error among nurses in Services hospital Lahore. This study was carried out by using a cross sectional descriptive study design in Services Hospital Lahore. Data was taken from the staff nurses and the total sample size was 222. Response from the participants was taken through simple random sampling techniques.Spss21 version used for descriptive analysis and applied chi square and one sample t-test. The results after study show 35% of the staff nurses were agree that they didn’t recognize an error occurred properly while 16% were disagree. 41% of staff nurses were agree that while reporting an medication error then the colleagues will be think that they are incompetent while 38% of the nurses were disagree to this statement. 68% of staff nurses were agree that it is very important for a Hospital to have proper medication error reporting system while 20% were disagree, 62% of staff Nurses were agree that the response of hospital administration doesn’t match with the severity of case while 24% disagree. The barriers which play a vital role in underreporting of medication error is the fear of staff nurses form the hospital management and the response of hospital administration