Submerged brain music is classical music with about 6 beats per minute. It can relax the body and make various physiological rhythms, such as heartbeat and brain waves, tend to be synchronized with the music beat. < P > Alpha brainwave music makes the brain excrete a chemical substance, which is called endorphin, which is beneficial to promote the child's mood stability and maintain his positive form of joining the right brain subconscious movement. Often listening to alpha wave music, the brain is awake and relaxed, paying attention to concentration, being in a stable and happy mood, and the memory, concentration, creativity and imagination are obviously improved, which should be useful.