The literature of Guangdong, Hong Kong and Macao has the cross-border characteristics of ecological writing. The method of examining nature having a unique style, and the local care of our town and my village is remarkable. Based on this, the ecological literature of Guangdong, Hong Kong and Macao has been used for reference, flowered, moved and explored across borders, which has expanded the multi-dimensional imagination space for contemporary ecological literature creation to break through. The ecological literature of Guangdong, Hong Kong and Macao is of great value and enlightening significance in the contemporary era, which promotes the attention of Chinese literature to the ecological environment and the thinking of the current research of Chinese ecological literature. In the future, the development of Guangdong, Hong Kong and Macao literature should expand its focus, focus on the universality and take the road of characteristic ecological writing.