System for car rental user to acquire charging pile information, load balancing method thereof, and car renting method thereof

The invention relates to a system for a car rental user to acquire charging pile information, a load balancing method thereof, and a car renting method thereof. The system for a car rental user to acquire charging pile information includes a car rental member terminal, a network management platform and a sub service module, wherein the car rental member terminal includes a mobile phone rental APP and a PC end with a car rental system; the network management platform includes member authentication service, heartbeat and message pushing service, an APP service group and a member logging status database; and the sub service module includes a sub service load equalizer, a sub service group formed by a plurality of sub services, and a charging pile status database. The system for a car rental user to acquire charging pile information can share the access pressure of members, cars and charging piles to different APP services and sub services through the sub service load equalizer and the APP service load equalizer