This work is called "Southern Market-Landscape Improvement Design Based on the Background of" Urban Double Repair ". The author hopes that the transformation of the ancient town is humane and can well reflect the harmonious symbiotic relationship between man and nature, so it is named" Southern Market ". Now it puts forward the concept of "ecological restoration and urban repair" (referred to as "urban double repair") and puts forward a series of clear requirements for the development of the future city, including strengthening urban design, advocating urban repair, and improving the integrity of the city's style and context. Continuity; vigorously carry out ecological restoration to make the city reappear green water and green mountains. Urban construction should take nature as the beauty, integrate "good mountains, good water, and good scenery" into the city, and treat "urban diseases" through "urban double repair" to promote urban transformation and development. Under the background of "urban double repair" policy, the city carries out organic renewal through minor restoration and repair, and uses the concept of renewal and repair to restore urban facilities, space environment and landscape style, so as to show the characteristics and vitality of the city. Therefore, this work takes the theory of "urban double repair" as the design inspiration, and the design purpose is to create a hydrophilic city image, show historical and cultural charm, create recreational and leisure places, and build a service industry. This design in the river management, green landscape promotion, architectural design and other aspects of the design, and strive to create a harmonious coexistence between man and nature, and has the brand of human history, with a human touch of the landscape.