This paper discusses the contemporary connotation of the beautiful city in which people and nature coexist harmoniously.The concept of beautiful city adheres to the people-centered development ideology while objectivity and subjectivity presenting the characteristics of green and low-carbon,beautiful environment,ecological livability,safety and health,wisdom and efficiency,etc.This paper combines the theories of wholeness,correlation and dynamics in landscape ecology system to construct a three-dimensional analysis framework of"time-space-relationship".It elaborates the four key issues in the construction of beautiful city,which are"all-area transformation","all-round improvement","all-area construction"and"all-society action".The paper concludes with policy recommendations for the construction of beautiful cities.