Healthy urban planning provides strategic thinking and operational rules for the allocation of spatial elements in healthy urban construction，which is conducive to improving public health through optimizing built-up environment. Based on the extensive relationship between urban environment and human health，it is necessary to design and design for health，and to incorporate health considerations into planning and design becomes an important intervention and promotion dimension for urban spatial quality. At present，the difficulty of healthy city construction is as follows：in the aspect of mechanism，healthy city is based on health city construction to a certain extent，which is dominated by the department of health and health committee system. There is a shortage of knowledge reserve on how to build a healthy city. The knowledge related to healthy city needs localization urgently. Therefore，it is necessary to establish the healthy urban planning of the “research-practice-policy” in a trinity of theory and empirical research，carry out the evidence-based practice of spatial planning and design，and promote the evaluation of the health impact of urban planning plan.