The present disclosure provides a method of charging service for a new energy vehicle in a smart city. This method is executed by a charging pile management platform. This method includes: based on the service platform, obtaining a charging request of a user by the user platform, wherein the charging request comprises a remaining power of a vehicle of the user and a position of the user; based on the charging request, determining candidate charging piles; based on queuing information of the candidate charging piles and time information for going to the candidate charging piles, sorting the candidate charging piles to determine an object charging pile; predicting a failure rate of the object charging pile, wherein the failure rate is used to determine recommendation information of the object charging pile; and based on the service platform, feeding back the recommendation information to the user through the user platform.