The invention discloses a self-adaptive business recommendation engine when power network IMS business is issued. The self-adaptive business recommendation engine comprises the steps that S101, each region is configured with one or more manager for business issuing; S102, the manager selects a number for account opening business issuing; S103, after the number is selected, related business authority is selected and limited to the number according to related demands, and the required business authority is rapidly recommended based on a collaborative filtering recommendation algorithm; S104, after the business authority is configured completely, an issuing action is performed, and an issuing process is started; S105, different business issuing instructions are performed on different network elements; and S106, no matter the network elements perform the instructions successfully or not, related messages are fed back to an IMS business issuing end, thereby finishing issuing the business. According to the self-adaptive business recommendation engine, the business is recommended according to the collaborative filtering algorithm, the business authority data is rapidly configured for business issuing, a method process is simple, and the efficiency is relatively high.