Abstract: National Physical Geological Data Archives is currently the only the state-level geological data collection agencies in China,the collection system construction is very significant to establish National Physical Geological Data Archives' guiding ideology and to its long-term development.This paper is combined with the collection system construction characteristics and the actual situation of National Physical Geological Data Archives,to choose the appropriate collection system standard,based on the collection system's establishment,implementation and effect of application,with iron ore geological data as an example,so as to provide instructive role to collection system construction.