Provided in the present invention are an industrial Internet of Things-based method and device for use in generating data analysis reports, the method comprising the following steps: defining a key performance indicator (KPI) related event, an event monitor and a knowledge base by using a semantic description; configuring the event monitor to a data point to acquire data so as to monitor whether an event occurs; when the event is detected, calling a knowledge base which is related to the event to infer the cause of the event; generating a data analysis report. The present invention uses a semantic description event model, and may detect a related event by means of the event monitor, which is the basis of event inference in the present invention. The knowledge base provided by the present invention comprises knowledge packages for various fields, and a customer may select different knowledge base knowledge packages according to the data analysis needs thereof, and pay for a purchase. The industrial Internet of
