The purpose of this study is to present the direction of improvement of cityscape planning based on the viewpoint of the general observer who uses urban space and landscape in reality, and to support the plan to be improved so as to improve the effectiveness of landscape plan at the viewpoint of the observers who routinely experience urban cityscape We will conduct a review of the factors. Based on the empirical understanding of observer perception of cityscape resources and the existing urban design theories, it is necessary to realistically arrange the plan elements within the range of perceivable visibility of observers, and as a result, I would like to suggest measures to make it more effective and reasonable.