Abstract: The new idea of centralized purchasing material settlement under the three-level material intensive mode in provincial, city and country is researched. Through the application of advanced Optical Character Recognition technology and electronic signature technology, the E-settlement System of material is developed . The E-settlement system complete process Reengineering , eliminate payment risk and take the lead in realizing the electronic transfer and approval of the settlement documents image files, and visualization of settlement process in The State Grid Corporation of China.