Cities are highly concentrated areas of human civilization, and with the expansion of population and scale, urban development faces bottlenecks. The construction of green cities is a strategic choice to address this contradiction and is also a major direction for promoting future urban sustainable development. Hangzhou, one of the most livable cities in China, showcases its unique landscape pattern by integrating natural scenery and historical cultural landscapes. This research takes the correlation between landscape patterns and green cities as the starting point, analyzes the ideological origins and landscape foundations of green city construction in Hangzhou from historical and geographical perspectives, evaluates Hangzhou’s green city development, and compares it with other cities, summarizing the achievements of green city construction. The construction of Hangzhou green city provides practical experience for other cities with landscape patterns and shapes a greener and livable future city.