Abstract: The development of network and information technology has made online services and provision of online resource guarantees the future development trend of libraries.The research of higher vocational libraries in this area is lacking.The epidemic situation occurred.Can the emergency mechanism of the higher vocational library be fully adapted to emergency information services.The epidemic situation gave us a chance to test the guarantee of the online service system of the higher vocational library. This article investigates the relevant information released by 56 high-level school library homepages and WeChat public accounts during the new coronavirus pneumonia epidemic in the "Double High Plan" through the Internet, and analyzes the current status of online services in vocational college libraries.It pointed out the problems existing in the libraries of higher vocational colleges,and put forward measures to further strengthen the construction of online services and resource guarantee system of higher vocational college libraries.

Key words: online service;digital resource service;service system;higher vocational college library