There is no substitute. Educational robots are only to help teaching staff better, such as machine marking, personalized teaching, school management, learning content, learning methods and so on. But it can never replace people's emotions.

Education is the art of love, which needs temperature, warmth and enthusiasm, humanistic care, humanistic care and humanistic care. The machine is cold, and it can never have free emotions. It needs human care, human care, and humanistic care like human beings.

Even if an educational robot is developed, all it can do is to help teachers improve their work efficiency, and it cannot replace all the work and abilities of teachers. No matter how network technology develops, no matter how intelligent education develops, machines can't be as warm as people.