An LBS-based prompt information output method and system, and a storage medium according to the present disclosure, comprising: acquiring current time and/or a current geographic location, determining whether the current time falls within a preset time range, and/or determining whether a distance value between the current geographic location and a preset specified geographic location is smaller than or equal to a preset distance value; when a determination result is positive, outputting preset prompt information. The present invention is capable of enabling a user to acquire service information concerning the user and relating to the specified geographic location in time.