“…Neither theory alone nor explanation of the operation process should be allowed, so that students can know more about it. Due to the late opening of big data courses, there are not many mature supporting resources, so it is necessary to collect a large amount of data, build and sort out characteristic digital teaching resources, such as teaching courseware, pre class guidance micro tasks, knowledge point micro videos, operation demonstration videos, cases, exercise banks, discussion topics, questionnaires, expansion resources and other diversified digital resources [16]. Big data is closely linked with current events, providing more expansion papers, current events videos, news links, improving students' interest in learning, and letting students know how to apply what they have learned.…”