The present disclosure relates to a communication technology and discloses a method, device, and system for implementing a Location-Based Service (LBS). A corresponding particular service area is set for a User Equipment (UE) and services in the particular service area are provided by a corresponding application server. By applying the technical solution provided by the embodiments of the present disclosure, an operator can provide services for particular users in the particular service area, and implement intelligence and personalization to avoid the spread of junk information and to improve user satisfaction.