The use of non-invasive positive pressure ventilation is one of the important reasons for nasal and facial pressure injuries in patients.With the release of China's epidemic prevention policy,the number of new elderly patients with COVID-19 has increased dramatically.This paper summarizes the current situation of stress injuries caused by noninvasive positive pressure ventilation,introduces the main influencing factors,evaluation methods and prevention measures of nasal and facial stress injuries in elderly patients with noninvasive positive pressure ventilation,aiming to provide a reference for clinical medical personnel to prevent their related stress injuries.