Objective To study the situation of occupational exposure and its influencing factors of medical staff in a hospital so as to explore the protective measures. Methods Inquisition and data surveys were used to conduct the survey of the situation of 69 cases with occupational exposure. Results Among 69 cases with occupational exposure,nurses were the most that accounting for 63. 77%,followed by doctors accounting for 26. 09%. The main source of exposure was blood carrying HBV,accounting for 41%. The occupatio...