The excavation of Bianzhong shocked the archaeologists around the world, because two thousand years ago, it is extremely rare in the history of world culture to have such a beautiful instrument, such a magnificent band. The successful casting of Bianzhong not only shows China’s great achievements in bronze casting technology, but also shows China’s level of development in ancient musical temperament. It is a crystallization of high wisdom of ancient Chinese people, and a pride of the Chinese nation.