Data processing method and system based on industrial Internet of Things

The invention relates to the field of data processing, and discloses a data processing method and system based on an industrial internet of things, which are used for improving the accuracy of security and protection monitoring and realizing intelligent sensor cooperative monitoring. The method comprises the following steps: acquiring original security and protection monitoring data of a target monitoring area through a plurality of preset Internet of Things monitoring sensors; performing data clustering processing on the original security and protection monitoring data to obtain a plurality of initial security and protection monitoring data; performing data dimension reduction on the plurality of initial security and protection monitoring data to generate a plurality of corresponding target security and protection monitoring data; performing feature extraction on the plurality of target security and protection monitoring data to obtain a plurality of security and protection monitoring features; and inputting