Gold foil is a traditional handicraft in China, according to legend, it was created by the person named Ge Xuan in the Eastern Jin Dynasty, which was about 1,700 years ago, Gold technology is the treasure of Chinese folk traditional craft, Since ancient times, gold foil formula and gold stunt were kept in assets does not show, so, it is hard to imagine how the gold becomes into gold foil as thin as cicada wing. Gold foil products extensively applied in many fields, eg : Religious sculptures, Classical gardens ,Building decoration , Medicine, Food, and cultural undertakings, especially for Statues gilding, richly ornamented gilding plaque couplets, decorated with gild gold foil ( Hotel, Furniture, Picture frames, Art crafts). The various foil products now has been used in the worldwide. The European Parliament, opera houses, churches, mosques dome, many museums and palaces have been used a large number of gold foil, copper foil, aluminium foil. From China's "Tiananmen Square", "the Summer Palace", "the Forbidden City" in Beijing, Shaolin Temple, Shandong Confucius Temple, the Potala Palace , Nanjing Qixia Temple, Hanshan Temple in Suzhou, as far away as China Hotel in Moscow, the Royal Palace in Thailand, Osaka archway in Japan, the official residence of the President of Zaire, St. Petersburg and other world famous buildings are all shiny with Nanjing gold foil products.