Yuyao Yuyao Children's Physical Fitness Center has a class to teach skipping. Aiku (Beijing) Sports Culture Co., Ltd. (hereinafter referred to as "Aiku Sports") is a children's physical fitness training brand company listed on the New Third Board in China (stock code: 839 1 14). Since its establishment, it has been following the mission of "sports make children's lives wonderful" and focusing on the healthy development of children aged 2- 14. In 2009, the course research and development team of IKIDFIT combined with domestic and international action modes to create a set of IKIDFIT course system suitable for domestic children, which has been iterated to version 7.0. The course takes motor skills and physical fitness as the representation training, strictly follows the growth and development laws of teenagers and children, and combines six dimensions of cognition, language, personality, emotion, mental health and character education to seize the window of children's physical fitness development and create physical fitness courses for children of different ages that are in line with and conducive to the growth and development of children of corresponding ages.