The invention discloses an electric automobile charging service system which comprises an automobile-mounted terminal, a charging device, a station level operation management system, a monitoring center and a headquarter operation management system, wherein the station level operation management system comprises monitoring workstations and charging workstations, the automobile-mounted terminal is used for obtaining information of an automobile, the charging device is used for charging for a battery of the automobile and recording charging information and the charging amount, the charging device comprises an instation terminal and a centralized charging device body, the instation terminal comprises security and protection equipment and an instation charging pile, and the centralized charging device comprises a concentrator and a discrete type charging pile which is in communication connection with the concentrator. The invention further discloses an electric automobile charging service method.