The article discusses how China's laws on cyber crimes need to be updated to effectively handle these types of offenses. To address this, the jurisdiction over international and domestic cyber crimes should be determined based on principles like possibility, justice, and international coordination. For domestic crimes, the location of the IP address should be used to determine jurisdiction. For international crimes, a principle based on territorial jurisdiction and considering the extent of harm should be established. Joining international conventions can help prevent conflicts over jurisdiction in cyber crime cases.