The new business model from equipment to scenes, from line to line, from children to parents, from services to products, from parks to communities, opens up the era of 4. 0 years of children's play in creative positioning, characterized by science fiction, exploration missions, insulation and the operation of ip props, through the exploration of science fiction themes and the introduction of children's pediatrics to children's pedagogy. While exploring new developments in the children's industry, hokisung has been working to build a new digital ecological circle for the children's music industry that will make brands a comprehensive pedagogy platform in the process leading to the 4. 0 era of children's parks。