This paper compares the provisions about the statutory lia-bilities of parties under voyage charter in Chinese Maritime Code with the theory of implied undertaking under common law sys-tem. By analysis and comparison, the paper comes to the conclu-sion that some statutory liabilities of parties under voyage char-ter regulated by Chinese Maritime Code are common with the im-plied undertakings under common law, but there are great differ-ence both in effectiveness and in con.tent. ln effectiveness, the implied undertakings under Comrnon Law are all optional, but some of the statute liabilities in Chinese Maritime Code are com-pulsory, the others are optiona1. In content, the statutory liabll-ities of the parties under voyage charter regulated by Chinese Maritime Code are broader than the implied undertakings under common law.