Wedding arches originated from Western architecture, which may be inspired by the rainbow in the sky, symbolizing beauty and hope. In Europe, arches are often found in churches, temples and palaces, etc. They are simple and reasonable in shape and structure, and have a solid support space, so they are also often given a memorial meaning. In addition, the wedding arch is also said to have originated from the Jewish “color booth”, which is a simple cave for the newlyweds, with a large scarf or beautiful cloth as the top, four corners of the bamboo poles to support, the scarf to symbolize the presence of God, the four sides of the open symbolizes a wide range of welcome guests. With the passage of time, the arch is gradually borrowed to the wedding, became an indispensable decorative elements.