definitely need to take responsibility. From the legal point of view, the group owner has the responsibility and obligation to manage the group. First of all, the group owner has the necessary duty of care for information or remarks that may infringe on the legitimate rights and interests of others in the group, and should fulfill the responsibility of group management and stop acts that insult others' reputation in the group. Secondly, as the manager of the group, the group owner has more authority than ordinary group members to publish group announcements, remove group members from group chats and dissolve the group. The group owner should prevent and stop the infringement within his own authority. Group owners should be held responsible for "slow action" and "inaction", which involves the issue of judgment criteria. On the one hand, group owners should handle and dissuade disputes and abuse among group members fairly and justly within their own capabilities, and cannot be biased towards members who make infringing remarks out of personal feelings. On the other hand, we should also note that the ability of group owners cannot be infinite. As long as they do their duty to actively prevent and stop the infringement within the group, they can be regarded as doing their duty of care and should be relieved or exempted from legal responsibility. Considering the functions and characteristics of the group and the responsibilities and rights of the group owner, the determination of the responsibility of the group owner should be based on the principle of fault liability, which can refer to the "notice-removal" rule of the applicable Internet platform service provider, that is, if the group members publish in the group,