A service monitoring system and method are provided. The service monitoring system includes a service apparatus configured to: convert text information corresponding to a functional block from among one or more functional blocks of a target service into a first abbreviated key, add the first abbreviated key and the text information to a first table, convert call flow information into a second abbreviated key, the call flow information indicating an order in which the one or more functional blocks are called when the target service is executed, and add the second abbreviated key and the call flow information to a second table; and a monitoring server configured to receive the first table and the second table from the service apparatus, and to acquire profiling information regarding the functional block using the first table and the second table.