Children's reading has become a new way out. Driven by high demand, various reading franchise brands have sprung up in the market, and the prospect of joining is still very good. At present, the growing secret general reading library is well-known in the market, which is completely different from the traditional picture book library. Its panoramic interactive classroom and holographic interactive projection picture book have become its major features. The secret of growth is a professional marketing team and channel resources, which can help franchisees promote reading library. By sharing brand resources and marketing capabilities, the secret of growth will gain market recognition and parents' attention faster, and improve its popularity and influence. At the same time, it will also provide market analysis and strategic guidance to help formulate marketing plans suitable for its own development.