Abstract:Guangzhou Garden Expo was held in 1994. Its 30-year development process can be divided into three stages. First, in the initial stage (1994—2003), the Art Garden had received high attention. Second, in the stage of continuous growth (2004—2016), the content, form and technology of the exhibition became more mature, and the theme had a strong driving force, leading the trend of urban landscaping. Third, in the integrated development stage (2017 to now), the exhibition with distinctive themes, carried out the cross-border and innovation between landscape art and multi-culture, added international elements, and promoted the ecological integration construction of the Great Bay Area. Guangzhou Garden Expo carries forward Lingnan landscape and traditional Chinese culture, leads the development direction of landscape architecture, integrates urban construction, promotes the progress of garden greening technology, focus on people's livelihood and science popularization, promotes exchanges and cooperation in the Great Bay Area, continuously expands the field of landscape expositions and international influence, and helps cultivate professional and technical talents. Its social benefit is remarkable.