The invention provides an overall energy consumption resolving scheme and system of a data centre. An informationized energy conservation management platform carrying out general management on a data centre room is designed, a method for managing and controlling the temperature and humidity environment of the data centre room, the business volume and the energy consumption of a production server, the energy consumption of a room air conditioner and other energy conservation equipment is provided, a comprehensive room informationization management method is provided, and a method capable of sending control commands to corresponding terminal equipment to implement energy conservation adjustment according to collected data information is provided. Users can carry out reasonable control and layout adjustment on the room according to the collected data.