<p>This is an evaluative study of the malaria surveillance system, one of the components of the National Malaria Control Program (NMCP), 2017-2021, based on the attributes data quality, simplicity, and its usefulness. The data source was the health information system (DHIS2). For data quality it was considered the complete filling and, for consistency the correct filling of the 76 variables of the database. For simplicity, 11 technicians from the 11 health regions were interviewed. To classify the attributes, it was used the criteria ≥ 80% for high data quality; &lt; 80% for low quality; and for simplicity ≥ 70% for responses "simple" and if &lt; 70% "complex". Utility was assessed according to the achievement of the surveillance objectives - "reduce the malaria morbidity and mortality rate by at least 50% between 2015-2022" and, of other indicators monitored by the NMCP.</p>