Bai Tong musical instruments often hear some users' voices, "Can playing the piano make children smarter? The phrase "Music makes you smarter" is quoted by the media, which is a bit general. Research shows that music training is related to the development of advanced brain functions such as spatio-temporal reasoning. A recent study by the University of California, Irvine shows that students who take piano lessons have significantly improved their understanding and mastery of proportional mathematics and fractions. Broadly speaking, exposure to music may not make you "smart", but learning piano is helpful for children's study and life. This is an advantage that every parent should give to their children.