This research is based on the perspective of symbol aesthetic, considering “form” as the representation of “content”, and the content is the true meaning of form. This research started by discussing the different period’ physical form of urban park, in order to find out the transform of spatial content in different period of Taiwan. Since the transformed discipline of physical form in park is depending on its spatial content. After the long periods of time the spatial content would become ambiguous and complexity. The content of form may not be suitable to the other period. It will cause the uncertain cognize to park visitor. The uncertain cognize will cause inappropriate behavior. Research result showed the question of all parks, which was built in the Japanese occupation period is the publicity. This question will not only effect the park visitor’s experience, but also effect the image of the city. Research commends, when designer is dealing with the public space that has a very long age, he should consider the meaning of form to user. If the physical form can’t connect with user’s behavior, it would merely a space filler.