With the adjustment of the domestic birth policy, the number of children will significantly increase, which will in turn affect the social needs of urban space. Community public space, as the main outdoor activity space for children, is an important open space type for their healthy growth, and child-friendliness is an important aspect of space design. This article focuses on community public space, based on child-friendly environmental standards and practical experience, and attempts to construct a set of localized and operable child-friendly community public space evaluation system. It is applied to the evaluation of the child-friendliness and safety optimization of the public space in Guangzhou's Liuyun community, in order to refine and summarize more targeted community public space optimization strategies.