Based on the basic knowledge of legal logic and Hamburger Rule,this paper analyzes the situation of delivery in unreasonable time—another form of delay in delivery which is not mentioned in Chines Maritime Code.

Points out the Shortcoming of the terms related to delay in delivery in Chinas Maritime Law by comparing it with the view point in the matter as shown in international conventions.

On the basis of analyzing the legal obligation of reasonable dispatch to be undertaken by the carrier of marine goods, this article suggests that the reasonable time shall be regarded as a time criterion of defining delay in delivery under Maritime Code of PRC in absence of agreement about the time of cargo delivery under the contract of carriage.