According to official website of Youku Video, Yi Haiyan aerobics can be watched and replayed in Youku Video. Yi Haiyan is a national aerobics master, a national judge and a national fitness coach. He once hosted CCTV sports channel "Youth Time" and other sports fitness programs. Famous aerobics instructor, graduated from Beijing Sport University majoring in aerobics. Many times for CCTV, Beijing TV and local TV shooting aerobics, aerobics and other fitness programs. He has participated in many international aerobics instructor training courses organized by Slovak International Gymnastics Federation, ASIAFIT in Hong Kong and ISAF Branch of Shenzhen International Fitness Association.