Abstract: Document delivery is a basic way of resource sharing strategy to meet user needs. This paper described the current situation of the National Agricultural Library document delivery, summarized the features of document delivery in National Agricultural Library, analyzed the challenges, such as the strengthening of intellectual property rights and the diversification of literature acquisition way, and the problems, including low satisfaction rate of document delivery, imperfect document information management, high cost of document delivery and insufficient propaganda. This paper put forward some proposals and development countermeasures, for example, to avoid copyright issues, develop characteristic agricultural literature and network database, conduct user survey for reasonably pricing, expand the literature sources, establish document delivery data filing system, carry out wide range of propaganda and training, and improve professional quality of staffs to meet the needs of readers.