If you’ve noticed the emblem of the 2008 Olympic Games, you may know it is a Chinese seal. Seal cutting is based on Chinese calligraphy. It takes Chinese characters as its form of expression, using craving knives instead of writing brushes, and stone instead of the paper. It can be viewed as a pocket edition of tablet inscription. It has a long history since Chinese Warring States Period. Chinese seals can be classified into official seals and private seals. The former refer to those of emperors and officials. The making materials used in the ancient times mainly include gold, silver, copper, jade, amber, agate, stone, bamboo and wood. Most of the seals were cast, and some were craved. “Chinese Seal, Dancing Beijing”, the emblem of the Beijing 2008 Olympics is a combination of the five rings, a Chinese seal character of Beijing and “Beijing 2008” in English.