Objective To understand hospital managers′ experience and support demands on medical error disclosure. Methods With purposeful snowball sampling and theoretical sampling, 12 hospital managers who met the inclusion and exclusion criteria were interviewed semi-structuredly.Data were analyzed by using the grounded theory analysis method. Results Totally,14 medical error events were reported. Such 4 themes emerged from the interview data: process of implementing disclosure, managers′ psychological changes throughout disclosure, the methods and techniques of disclosure, and the support needs throughout disclosure. Conclusion Hospital managers lacked experiences and expertise regarding disclosure, as well as psychological support.Medical institutions should build up a scientific and comprehensive disclosure management system and provide relevant organizational support to managers.