Eggshell robot is recommended, which is an intelligent robot with on-the-spot interaction and movement. It has children's psychological report, children's psychological games, children's daily behavior management, children's enlightenment cognition, children's somatosensory interaction, new mode of parent-child communication, remote on-site interaction, preschool education resources, synchronous classroom in primary schools, exercise programming, homework arrangement and inspection, one-click tracing, ground alarm, map construction, encyclopedia interaction, life management, entertainment and music, and autonomous return charging.