Abstract: t:The construction of large-scale instruments is an important symbol to measure the scientific research level and comprehensive strength of universities,which is also vital cornerstone of scientific research and teaching.The open sharing efficiency improvement of large-scale instruments is a common concern of governments and universities.Taking Qingdao Agricultural University as an example,sharing regulations of large-scale instruments are explored according with the actual situation in this paper to promote the construction of large-scale instruments management and sharing system,and improve the sharing efficiency of large-scale instruments.It provides new ideas and reference for the open sharing management of large-scale instruments in provincially-administrated universities.