It is manifested as mechanical, geometric and purely decorative lines, such as fan-shaped radiant sunlight, gear or streamlined lines, symmetrical and concise geometric composition, etc. , and painted with bright contrast colors, such as bright red, scary pink, blue of electrical appliances, yellow of alarm, orange of tango, gold, silver and bronze with metallic taste. At the same time, with the outward expansion of European and American imperial capitalism, objects or totems of ancient cultures such as the Far East, the Middle East, Greece, Rome, Egypt and Maya have also become the source of decorative materials, such as funerary objects of ancient Egyptian tombs, African wood carvings, classical columns of Greek architecture and so on. This seemingly traditional and innovative architectural style first appeared in the temporary exhibition hall of the French Expo, combined with the development of steel and reinforced concrete construction technology, making it possible to symbolize the skyscraper of the capitalist church and put it into practice in the big cities of the capitalist central countries.
It opposes the pure handicraft tendency of classicism and advocates the beauty of mechanization, so it uses a lot of linear, symmetrical and geometric figures, and uses a lot of new materials at that time, such as reinforced concrete and synthetic resin glass.