Laofu workshop entrance examination is difficult. The entrance examination of Laofu Workshop is an Olympic math problem, which recruits students with strong Olympic math ability. Laofu Workshop has now become a high-end Olympic Mathematics training institution in Hangzhou. We aim to cultivate the top scientific seedlings in Hangzhou, build a team with fighting capacity and scientific characteristics, and deliver high-quality basic scientific talents for famous universities in China and even the world.