"Tree Planting Song". China’s Arbor Day is held on March 12 every year. It is an event in China that inspires people’s enthusiasm for afforestation and afforestation, promotes land greening, and protects the ecological environment on which human beings depend. The “Tree Planting Song” is to promote the concept of greening and ecological protection. , which is in line with the concept of Arbor Day. Music is an art form and cultural activity whose medium is timely organized and regular sound waves (a type of mechanical wave).