Abstract: This paper described in detail the present situation, development and characteristics of university library resource construction, and mainly research on the design, development and utilization of aquatic characteristic resource platform, including sea treasures, water quality environment, aquatic diseases and prevention. It discussed the construction and utilization of traditional characteristic resources, and built the characteristic digital resource database. Combining with the traditional characteristic resource static service model, it put forward a interactive and scientific dynamic characteristic resource expert library. In the environment of big data, it gave the characteristic resource construction mode focusing on marine and aquatic demands, and realized the organic combination of book literature resource and perfect computing and intelligent search, so as to meet the readers' characteristic and personalized needs. Finally, it proposed the appraisal conclusion on the characteristic resource construction, the practical performance and impact of service mode under the big data environment.

Key words: characteristic