The invention discloses a management method and system of a charging parking space of a charging station. The method comprises a step of capturing and recording information and type of a vehicle at the entrance of the charging station, a step of judging to start a timing mode or a charging mode; a step of judging the position of the vehicle if the timing mode is started, a step of judging whether to stop timing according to the position of the vehicle, a step of judging the state of the vehicle if the timing is stopped, a step of judging whether to predict a charging remaining time according to the state of the vehicle, a step of sending the charging remaining time to the owner of the vehicle if the charging remaining time is predicted, judging whether the stay of the vehicle is overtime after the charging of the vehicle is completed, and calculating an overtime fee if the stay of the vehicle is overcome, a step of judging the stage of the vehicle if the charging mode is started, a step of judging whether to notify an administrator or carry out timing according to the state of the vehicle; and a step of calculating the fee according to time if the timing is carried out. According to the method and the system provided by the embodiment of the invention, a condition that a lot of charging parking spaces is occupied is reduced, and the utilization rate of a charging pile is improved.