An electronic business information system includes an information center and a search platform. The information center is adapted for a user to access through a public communication network based on DEA, and includes an information database storing a plurality of business profiles each having an interface subject. The interface subjects of the business profiles are selectively interchangeable when the business profiles are correlated with each other. The search platform communicatively links with the information center for the user to search through the information database, wherein when a search request is sent to the information center through the public communication network, the information center selectively sorts out the business profiles matching with the search request to generate a search result.