Disclosed is a system for linking chatbot services and contact center services, and more particularly to a system for linking chatbot services and contact center services, in which a client is allowed to receive a query processing service from at least one of other chatbot servers or other contact center servers without changing a preexisting connection state while being initially connected to a specific chatbot server or a specific contact center server, so that a user can easily use a plurality of query processing services by linking the chatbot servers and contact center servers operated by a plurality of service providers, thereby minimizing the time, efforts and costs of the user who wants to receive the plurality of query processing services through the plurality of service providers.