During the past years , there appear the cases of marine defraud concerning nvocc are increasing in the foreign trade transportation in our country , and rules and regulations of nvocc are not definite . for example , whether the nvocc ' s b / l which is not registered under the rules and regulations can be issued in our country or not , and whether the activity of domestic freight forward on behalf of issuing the nvocc ' s b / l is valid or not , we can not find the answer from the law . a set of clean b / l whose carrier can not be found is the same character of those cases 在无船承运人民事法律地位方面，无船承运人与承运人、实际承运人、货运代理人、多式联运经营人的相互关系错综复杂，既有区别又有联系；无船承运人在同一运输过程中，既作为承运人又作为托运人，其身份有何特点，其行为能力和法律地位与“远洋公共承运人和实际托运人有何不同；在有无船承运人参与的运输中，货主与实际承运人之间的法律关系事实上己经被无船承运人阻断，在此情况下，怎样保护货主的利益：无船承运人在运输过程中的责任和免责有何特点，上述问题，都是本论文要讨论的重点。
