A method of providing a service for a large modelscenario, applied to an intelligent agent platform, includes: in response to receiving service request information from a first interface of the intelligent agent platform, invoking a key information extraction service in the intelligent agent platform, and performing key information extraction on the service request information to obtain first key information; in a case where a number of first key information is greater than a preset number, invoking an information merging service in the intelligent agent platform, and determining second key information from a plurality of first key information; and invoking a service content determination service in the intelligent agent platform, and determining a first target service content based on the second key information.