Under the background of "double reduction", children's diverse needs for community park space design are derived. At the same time, "child-friendly" is the place of urban civilization. It is the general trend to pay attention to children's physiological and psychological characteristics and create a park space environment suitable for children's growth. This design is a community smart park landscape design based on the concept of child-friendly. The site is located in Guangrao Branch Road, Qingdao City, Shandong Province, located in the central area of Qingdao City, with favorable location conditions. The design combines the concept of child-friendly with the management of smart park. Through the analysis of the types of pocket park experience space and the needs, psychological characteristics and activity types of children of all ages for the landscape from the perspective of child-friendly, to improve children's participation, create more suitable for children's physical and mental development of the scene. On the basis of traditional parks, the thinking of "Internet" is used to carry out intelligent control and management of sports with new technologies such as the Internet of Things, big data cloud computing, and at the same time set up AI virtual interactive facilities to realize mutual feeling, mutual knowledge and interaction with tourists. The design takes into account the surrounding environment and children's safety issues, re-establishes the connection between children and nature in the city, promotes the construction of a child-friendly city, and enhances the vitality of the city.