Healthy cities practices around the world are carried out in accordance with the purpose of the Healthy Cities Project. The Healthy Cities Association has created this project to build healthy, safe and sustainable environments. In this study, the development process of healthy cities practices, the concept of healthy city and the relationship between health and city were examined within the framework of the work of the World Health Organization. The aim of this study is to examine the requirements that create the concept of healthy cities in rapidly changing, developing and differentiating urban settlements within the scope of the World Health Organization Healthy Cities Project, to analyze health, culture, sustainability, inter-municipal cooperation, equality, participation, transportation, infrastructure, to address the concepts related to many urban rights such as security and environmental pollution, and to answer the question “What problems existing in cities have increased the need for healthy cities practices?”. To answer this question, the existing problems of cities and deficiencies in the concept of healthy cities have been identified. Using a qualitative research method, the document analysis technique was employed to examine healthy city practices and identify areas of deficiency.