Montessori devoted his life to promoting and practicing the idea of peace education. The "peace table" is composed of simple tables and chairs and "peace" objects, which is a harbor for children to seek inner peace and an important place to solve peer conflicts. Teachers should follow the principles of voluntariness, win-win and continuous concern, and guide children to use the "peace table" reasonably to appease their emotions and resolve conflicts, so as to improve children's problem-solving ability and promote the germination of their inner "seeds of peace" and the formation of sound personality.