The early education on infants of 0-3 years old has aroused worldwide concern.As professional early education institutions,the early learning centers have a lot of problems on space design due to lack of systematic theory support.Based on the behavior and psychology characteristics of infants and parents,combined with the basic theory of behavior,this article resolves special environmental needs of both parents and infants in parent-child interaction and proposes appropriate design strategies.The article makes clear that space design should fully consider the relevance of behavior and psychology in parent-child interaction with the environment,while putting physical and psychological characteristics of infants into consider.The space design adapting infants behavioral and psychological characteristics is discussed by three aspects of "path-finding" design,"tactile experience" space design and the ground design of guiding infantsbehavior;the space design adapting parent involvement is discussed by three aspects of considering both adults and infants scale,both caring and interaction,fuzzy interface design of observation space,providing a theoretical basis for early learning center design.