"Internet+" college students' innovation and entrepreneurship competition has been listed as the most influential college students' innovation and entrepreneurship competition since it was held. It plays a key role in the cultivation of college students' innovation and entrepreneurship ability and thinking. This paper takes the competition as the example to discuss the building of "Internet + Wula sedge" interdisciplinary team, and introduces the process of research and development, practice, sales and tacit cooperation, and gold medal winning, aiming at providing more teachers and students with relevant experience of innovation and entrepreneurship competition.