Objective To set up apressure ulcer risk warning and control system for operation patients,and to reduce the rate of acute pressure ulcer in operation patients.Methods Nurses assess pressure ulcer risks and input the data through hospital information systems.The high-risk population will be screen out by the pressure ulcer risk warning and control system.Nurses monitor and report it while offering interventions to the patients.Then,implement proactive management for acute pressure ulcer in operation patient...