In recent years, Professor Cao has presided over the completion of the National Social Science Fund Project 1, the State Sports General Administration Project 2 and the State Sports General Administration Fitness Qigong Project 1. It has undertaken 5 projects of Ministry of Science and Technology 1 Soft Science, National Social Science Fund 1, State Sports General Administration and 3 social science projects in Shandong Province. He has published 3 monographs and more than 50 academic papers, among which 23 academic papers have been published in the two most authoritative sports core journals "Sports Science" and "China Sports Science and Technology", and 2 copies have been made by the National People's Congress. The research achievement won the second prize of 1 and the third prize of provincial philosophy and social science; Won the first prize of philosophy and social sciences 1 and the second prize1of the provincial education commission; Selected papers of the 5th, 6th, 7th and 8th National Sports Science Conference 1 article.