A business information management server 1 includes: a performance data collection unit that collects performance data of each business process from a data generation device 4 for each business flow, and stores the collected performance data in a storage device in association with a business in the business process and related elements related to the business; and a performance data search unit that, when a business flow and a search condition regarding similarity of performance data are designated together with a reference business flow, extracts a business flow similar to the reference business flow from among a plurality of business flows associated with the performance data stored in the storage device on the basis of the search condition, extracts performance data similar to performance data of the reference business flow from among the performance data of the extracted business flow, and outputs an extraction result.