Objective To promote themedical quality and ensure patient safety by information technology . Methods The computer monitoring system was designed based on the data from electronic medical records , LIS, RIS, PACS and so on, taking time as the main lineand electronic medical record system as platform .Results Thanks to computer monitoring system ,the management of medical quality and patient safety transferred from passive management at end of the process to process active management .Conclusion The computer process control system can significantly improve the level of hospital management , contribute to improve the medical qualityand ensure pa-tient safety.