Information resource sharing: refers to the cooperation, cooperation and coordination between libraries and between libraries and other institutions on the basis of voluntariness, equality and reciprocity, and uses various technologies, methods and ways to share tips, construction and information resources to satisfy users to the greatest extent. On the basis of voluntariness, equality and reciprocity, libraries establish various cooperation, cooperation and mutual coordination relations between libraries and between libraries and other institutions, and use various technologies, methods and ways to carry out various activities of * * * with tips, * * with construction and * * with utilization of information resources, so as to meet the information resources needs of users to the maximum extent. Now it refers to the sharing and use of words, numbers and cultural resources in all fields of life.