Craftsman Sports Business School (formerly IKIDFIT Children's Physical Fitness Training College) is a brand of Aiku Sports, a company listed on the New Third Board, focusing on the training of children's sports training industry, with more than 7,500 graduates. Spread the spirit of artisans and cultivate more capable, innovative and ingenious compound sports talents for children's sports. From June 5438 to February 2020, Nengjiang Sports Business School reached a cooperation with the Sports Nutrition Research Institute of Beijing Sport University.

Skillmaker Sports Business School currently has eleven courses in sales, management and teaching, which are teaching courses (zero-based children's physical fitness course, children's physical fitness training experts, children's physical fitness training experts, senior high school entrance examination physical fitness trainers, children's parkour physical fitness trainers, safety physical fitness trainers, sensory physical fitness trainers, children's body management experts and children's physical fitness testers) and sales courses (children's physical fitness sales crown literacy course).