This report analyzes the concept，definition and relationship between E-port and Single Window，and introduces the main construction ideas of country and local with E-port and Single Window. It summarizes the construction content of government affairs in policy advocacy，data disclosure，news report，declaration，trade index publish，business handling and query. Put forward the construction direction of eight fields for business service function，including customs clearance service，quality tracing，comprehensive logistics services，shopping transaction，export services，financial payment，enterprise nanny，community sharing. It also states the relevant supporting measure.