Heat metering allocation system control method and device and cloud platform

The embodiment of the invention discloses a heat metering allocation system control method and device and a cloud platform. The cloud platform obtains the return water temperature reported by a balance valve on a return water pipe of each unit entrance of the same building in a heat metering allocation system through a wireless network; according to the return water temperature reported by each balance valve and a preset regulation and control strategy, a regulation and control parameter target value of each balance valve is determined; and the regulation and control parameter target value is issued to each balance valve, so that each balance valve adjusts the opening degree to the target opening degree according to the regulation and control parameter target value. Automatic control over the balance valve is achieved, and due to the fact that the balance valve can continuously report the return water temperature, continuous optimization adjustment of the balance valve can be achieved, and the intelligence of