Nowadays, cities are all filled up with improper and chaotic elements and ornaments; and the citizens, being drowned in such a chaos, are deeply in need of facing proper and emotionalizing atmosphere. Undoubtedly bringing art and specifically “urban sculptures” into the realm of urban areas is one of the most influential ways to beautify and soften the urban settings and to build emotionalizing atmosphere in the cities. But the most noteworthy of all is the coherence and harmony of these three-dimensional structures with their environment. And will promote understanding and aesthetic tastes of this audience, In this regard, in addition to artist's skill in creating a beautiful volume , Recognition of urban spaces and discuss the artist's mastery can also lead much of the success, (…Around the world Can be found Many innovative volume that have helped to beautify the space and cause it to pause at citizens and deep are connection with their audiences. When these works are accurate, we see that the design and implementation has been considered several points of principle and professionalism that been the result the effect is to create a beautiful and harmonious urban environment. These principles and criteria for the sculpture in a city, can include: Regard to principles of artistic creativity in sculpture such as composition, rhythm, balance, .... Regard to dimensions and the size of the space environment and coordination with the proportions of the space. Attention to material and Coordination with local weather conditions Discussion of the meaning hidden in sculpture : Given the level of knowledge and attitudes of citizens- as a core audience of urban works. Notice to practical to special features that it stimulate trigger, pause, wonder and amazement in the citizens. Attention to innovative concepts or requested at work (Name elders or religious figures that match with important work which match with local conditions and characteristics) and also See type and understand of audiences Right to be protected mentioned principles ultimately led to the creation of innovative and lasting effect…. There is a volume of beautiful and harmonious with their surrounding space also can help to bring more of a particular space. Also help in attracting tourists and the tourism industry and economy of the region or city : How many valuable works have reached special works. Another important point is that urban sculpture and it can enter artists at the city and among ordinary people. Typically transfer the impact of limited space and closed galleries to open space and large audiences cases have been referred to properly address the issue of more importance Sculpture in urban spaces. At this article that it being extracted from my thesis (Study of Urban Sculptures Form and Their Relation With Open Space ), regardless of all the spaces that are found in many cities, recommended artistic spaces and includes beautiful works and proportion of urban sculptures.