The problem of change in the field of interior space design is at an important place in the literature of interior design and architecture, with its axes related to flexibility, expansion and change in the systems of interior spaces and at several levels whose effects range according to approaches that explain this act as an imperative in the performance of the design system and its direction, which can explain the nature of the internal space as it is a tight system of relationships that explain the role of change in those systems, which represents one of the most important basic tasks that we seek by the designer and resulting from his knowledge of the nature of hospital spaces and their employment in framing their functional character by translating their space requirements and employing the possibilities and various techniques and methods in a different way from what we find in most other spaces to move towards the concept of functional projections, using visions and ideas to move towards a concept that translates the health buildings of our country, which has become an important requirement on which the need for change has been based to keep pace with the requirements of the current event.