Abstract: In traditional Chinese society, Phoenix Tree is usually planted in even number. The image of Shuangtong has rich connotations. Studying these connotations has values in aspects of literature, folk custom and religion. In rural society, Shuangtong is the symbol of homeland. There are many villages in China which are named by Shuangtong. In the culture of scholars, Shuangtong is the ally of their spirit, so that they usually use Shuangtong as the name of themselves and their houses. In secular world, Shuangtong represents love between men and women. Shuangtong means harmonious relationship between husband and wife, while Bansitong( one is alive, and the other is died) means widower or widow. In the world of religion, Shuangtong is a sacred thing in Buddhism and it’s actually the Sal in China.