The objective of this study was to identify the structure and process of nurse manager support for nurses who were involved in patient adverse events. The participants were 26 nurse managers who experienced supporting such nurses. Semi-structured interviews were conducted to collect relevant data, which was analyzed by the grounded theory approach. The analysis results showed that their support is a process converge on core category of "support of recovering from traumas," which consists of six categories: "concerning to nurse's traumatic experience," "creating an environment that encourages recovery from traumas," "supporting nurses to cope with difficulties," "support of recovering," "finishing support for nurses," and "terminating the support without being convinced." While support from nurse managers plays a part in trauma care, it should be recognized that there is a limitation for nurse managers to provide support if they are involved in unexpected patients events and hurt mentally. This suggests that it is necessary to develop a support system that incorporates resources to support nurse managers.