The big selection can be scientific and technological inventions, scientific research achievements and social investigation reports, while the small selection is a business plan of a project.
The "Challenge Cup" national competition for extracurricular academic and scientific works of college students is commonly known as the "Great Challenge". The way of competition is for college students to apply for natural science academic papers, social investigation reports, philosophical and social science academic papers and scientific and technological inventions. Hire experts to review and reward outstanding works with high academic and theoretical level, practical application value and innovative significance; Organize academic exchanges and exhibitions and transfer activities of scientific and technological achievements.
Compared with the "big pick", the business plan competition started late, so it is commonly called "small pick". "Small Pick" borrows the operation mode of venture capital, and requires participants to form a competition team with complementary advantages, propose a technology, product or service with market prospects, and complete a complete, concrete and in-depth business plan around this technology, product or service in order to obtain venture capital. The competition adopts the three-level competition system of schools, provinces (autonomous regions and municipalities directly under the central government) and the whole country, which is divided into three stages: preliminary competition, semi-final competition and final competition.