Power grid online service operation risk management and control method and system

The invention discloses a power grid online service operation risk management and control method and system. The method comprises the following steps: acquiring equipment information, identifying whether equipment hits a fraudulent equipment blacklist, if so, blocking the access of the equipment, if not, identifying whether mobile phone numbers participating in an activity hit a small number blacklist, if so, generating early warning information and identifying whether the request number of the equipment in one day is greater than 20, and if not, blocking the access of the equipment. If not, identifying whether the mobile phone number participating in the activity hits the code receiving platform blacklist, if so, blocking the access of the equipment, and if not, identifying whether the mobile phone number participating in the activity hits the Internet financial blacklist, and if not, blocking the access of the equipment; if yes, early warning information is generated, and whether the equipment requests the