Introduction of Shenyang City Hall Square is the largest square in Shenyang. As the central square in the core area of the city, Shenyang City Hall Square has become the pride in the eyes of citizens, and it is also a hot spot for foreigners to visit Shenyang. At present, the square has the dual functions of municipal square and citizens' green leisure square. During the day, tourists here shuttle and stroll in the square, and people can appreciate the unique temperament and charm of Shencheng; Every night arrival, 20,000 to 30,000 citizens go to the square for leisure, fitness and entertainment. City Square consists of Flag-raising Square, Sunbird Square and South Square. Around the sunbird, there will be eight large-scale three-dimensional rose patterns composed of roses and Chinese roses, and these eight rose patterns will also form a large-scale three-dimensional flower bed with a diameter of 39 meters. It is reported that in order to reflect the delicate and beautiful roses, the flower beds will be decorated with marigold, Petunia and other flowers to realize the harmonious unity of sculpture and flower sea. In the North Square, a big garland composed of African begonia, Petunia and Impatiens surrounds the flag-raising square. In the South Square, red, white and green are the basic colors, and Buxus microphylla, water wax, Petunia, Begonia, Impatiens in Africa and so on. It was selected to arrange two groups of large flower belts in the green space, which ran through the audience and echoed the garland of the North Square. The reporter saw at the scene that this big flower belt in the design scheme runs through the whole city square and is shaped like a violin. However, Yu said that the designer did not give this curved ribbon any special meaning, but mainly wanted to express the meaning of "harmony". In the South Square, the emblem of a large-scale World Expo will also be composed of five-colored grass, golden flowers, chrysanthemums and begonia. At the same time, some flower belts and flower beds are arranged around the square, in the leisure activity area and on both sides of the passage, so that the public can feel a huge visual impact. It is reported that the flowers in the whole square are mainly red, yellow and white, interspersed with transition colors such as pale pink, pale yellow and lavender, forming a magnificent decorative effect with simple and lively colors.