Useful. The Phoenix robotics program is based on the American STEM education concept, based on tracking and analyzing the big data of more than 550 campuses and more than 150,000 learners across the country, combined with the characteristics of learners at different stages and the corresponding subject knowledge, research and development and upgrading, it is useful. Phoenix robotics curriculum design follows the principle of hand-brain and brain, theory and practical collection, so that children in practice to exercise hands-on skills, master theoretical knowledge, cultivate innovative thinking, hands and brain synchronized development.