By designing conditions and relaxing spaces with the help of values and concepts of Japanese architecture, based on Zen's philosophy that based on simplicity, purity, avoidance of complexity and relaxation, it has tried to bring an experience of relaxation to the audience. This article seeks to investigate a principled relationship between the principles of Japanese gardens in accordance with the teachings of Zen philosophy, and the effects of its tranquility and cheerfulness. In fact, a set of principles for the design of Japanese gardens influenced by Zen's philosophy can play an effective role in the mental relaxation of the audience from a psychological point of view. The architecture of the Zen Gardens from the point of view: the style of the rocks, the elements of the garden, the types of lines and shapes used in them, and... Have a positive psychological effect on the audience. Relaxation in these gardens can be used in landscape design of public and private buildings in cities that are facing increasing numbers of mental illnesses, so that perhaps the correct architecture could be effective in improving mental illness and promoting community health.