[Objective] To investigate the landscape cover plants in Zhangjiajie City, Hunan Province in order to analyze the quality of landscape cover plants in the urban area.[Methods] Using the analytic hierarchy process (AHP), the landscape quality of the 82 species of landscape cover plants were evaluated, sorted and graded.[Results] There were 82 species of landscape cover plants in Zhangjiajie City, belonging to 71 genera and 47 families. The ground plants of grade Ⅰ were ornamental and adaptable with excellent landscape architecture quality, and plants of grade Ⅱ were inferior in ornamental value and adaptability, plants of grade Ⅲ were the worst. The main factors affecting the landscape quality included plant species, color and the habitat.[Conclusion] In the construction of landscape architecture, it is important to consider the diversity of plant species and colors, and make full use of the diversity of plant habitat.