Off-line state device data storage method, system, device and medium

The invention discloses an off-line state device data storage method, system and device and a medium, and the method is characterized in that the method comprises the steps: detecting the current networking state of a device at a device end; when the equipment is in an offline state, acquiring equipment end events, and setting record IDs for the equipment end events according to a time sequence to form information data; and when the equipment is in an online state, carrying out consistency judgment on the storage data of the cloud platform and the information data, if so, retaining the storage data of the cloud platform, and if not, uploading the information data to the cloud platform and updating the storage data of the cloud platform. By using the method provided by the invention, offline state data storage is realized, information data with a time sequence is generated at an equipment end, a cloud platform can conveniently carry out judgment, the network data processing capability is improved, the flexibil