With the progress of information technology, big data gradually shows its extraordinary value. Big data is used in all walks of life, including education and teaching. The big data on the vocational Skills Competition can analyze the students' mastery of vocational ability. Through big data analysis, I was informed of the projects of China Vocational Skills Competition and the awards of various provinces and cities. It is concluded that the competition of vocational skills is difficult and can train students' various abilities. Therefore, it is proposed to take the vocational skill contest as an opportunity to improve students' vocational ability and teaching quality and promote the development of vocational education. © 2020 IEEE.
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