As one member of the society, the individual ineluctability interacts with intergroup and generates a series of emotions. Researchers have begun to focus on these kinds of emotions named as collective emotions. As the developing researches on moral emotions, the scope of collective emotions investigation has been extended to the field of moral emotions. This paper discussed the collective emotions in the domains of moral events. Explained clearly the generation of these emotions and depicted some relevant researches focusing on collective guilt and collective shame, pointed out the further study of collective emotions should be made efforts in Longitudinal, neurophysiology research and positive emotions.