Vertical urbanism is an emerging concept in urban design that seeks to address the challenges of rapid urbanization and limited land resources. It involves the creation of tall buildings and vertical infrastructure that maximize land use efficiency while providing solutions for sustainable urban living where as introducing Open building system into vertical Urbanism will help to achieve the growing need for sustainable, efficient and adaptable built environment this system is based on the idea that the user should be able to interact freely, independently and flexibly to support stability and resilience.Combining this theory with the concept of vertical urbanism will give the ability to create a highly adaptable built environment that can better handle urbanization challenges.