Ground object spectrum is one of the most important remote sensing information sources.Recently,building a spectral database to manage these spectra data has attracted more and more attention.The database of natural resources and geo-spatial basic information is one of the four basic information databases of national E-government project.The main purpose of this database is to achieve the data sharing and exchange among different departments.National typical ground object spectral library is included in this database.To meet the requirement of E-government,we built an E-government oriented national typical ground object spectral library service platform.This platform aims to provide E-government suitable data and strategies.This article presented the design of spectral library service platform and related critical techniques.