摘要
The social benefit of people＇s common behaviors is high. However, once there is the negligence, the harm to the interests of law will also be great. When more than two people implement the dangerous common behaviors, each doer has the common duty of care. If they commonly violate the duty of care which leads to the occurrence of the crimes, the unpremeditated joint principal offender establishes. China should take reference from the research experience of other countries in the world, to regulate people＇s common behaviors with the theory of the unpremeditated joint principal offender, to prevent and reduce the accidents from happening.
