Letting children paint freely is also an important means for children to obtain psychological self-protection. Children's inner depression and psychological burden will not be released by talking with a few close friends like adults. They do not have this ability. Drawing with Music Doodle Board, especially free painting, is a child's psychological confession. Children's inner conflicts that cannot be revealed at ordinary times can be vented from it, which reduces the psychological burden and is conducive to maintaining mental health.

The famous educator Dieter Wech pointed out: "You can get more from painting for one hour than you can get from reading books for nine hours." Differences in education determine a person's ultimate victory or defeat, not the amount of knowledge he masters, It is the realm and vision of life, belief and responsibility, and a free heart.