The invention provides an integrating charging system, which comprises a service control point (SCP) which is used for triggering online charging of voice service; a content charging gateway (CCG) which is used for triggering online charging according to content distinguishing flow; an integrative service management platform (ISMP) which is used for triggering online charging of mobile increment data service; an online charging section (OCS) which is used for receiving the online charging request triggered by the service control point, the content charging gateway and the integrative service management platform, and carrying out real-time charging to the present prepayment account for the prepayment users who are carrying out the online charging; a quasi real-time charging section (Hotbilling) which is used for getting a phone bill in a specific network equipment by a specific time interval and carrying out fee deduction and charging in the relevant account for the prepayment users and postpaid users who are carrying out the quasi real-time charging; a sharing information database (SID) which is used for preserving and managing the user data, the product data, the account data and the tariff data universally and carrying out data sharing by the online charging section and the quasi real-time charging section.