Background: Medical recording is an essential part of information use, dissemination, rndecision making for the health needs of the community health care system and quality servicerndelivery. The medical recording quality is a serious issue to be addressed, especially in Africarnwhich has been measured using different data quality dimensions, and the percentage result isrnbelow standard. In Ethiopia, the ministry of health (MoH) has focused on informationrnrevolution setting a five-year transformation plan, and has developed tools on a standard ofrndata quality measurement. Those tools are used to measure the medical recording data qualityrnin Yerer General Hospital for selected dimension. rnObjective: To improve medical recording of outpatient and inpatient data quality in YererrnGeneral Hospital by the end of 2021 EC rnMethod: It is a pre post study, we carried out a pre intervention; with baseline assessment usingrnan infinite sample size calculation and proportional simple random sampling of cards whichrnwas admitted to the hospital between end of 2018 to end of 2019 time frame, and postinterventionrnwasrninrn2021rnJanuaryrntornmeasurernthernimprovement.rnAfterrnthernintervention,rnarnfiniternrnpopulationrnsamplernsizernwasrnusedrnandrnarnproportionalrnrandomrnsamplingrnmethodrnwasrnappliedrnforrnrnthosernadmittedrnfromrnJanuaryrn21rntornFebruaryrn21rn2021.rnrnResult: Training on health management information system was given as an intervention afterrnpre intervention result was observed .pre intervention total completeness of outpatient andrninpatient MR was 79.12% and 51.59% respectively. On post intervention result it decreased torn57% and 41% respectively. Pre intervention total accuracy of outpatient and inpatient MR wasrn63.6% and 55.7% respectively. On post intervention result it increased to 80.73% and 81.67%rnrespectively. The timelessness has improved the cards are returned to the medical recordingrnroom in 24 hours after intervention. rnConclusion: The intervention has influence on improvement of Total accuracy and timelinessrnbut decrease score of the Total completeness of medical recording in Yerer General Hospital rnRecommendation: Continues trainings and follow up are required to strengthen qualityrndepartment of Yerer General Hospital.