在印章发展的历史长河中,可以大概地把印章分为官印和私印两大类。在古代,官印一般由皇家颁发,什么样的官职颁发什么样的印章,作为各级官员发号施令的凭据,是权力的象征。官印多为四方形,文字工整、严谨,体现国家权力的威严(如图1)。现代的政府、机关的公章也可以归类到官印的行列。除官印之外的印章大多都可称为私印。由于私印不 In the history of the development of the seal, you can roughly divide the seal into two categories: official seal and private seal. In ancient times, the official seal was generally issued by the royal family. What type of official seal was issued was a symbol of power as a credential issued by officials at all levels. Official seal mostly square, text neat, rigorous, reflecting the dignity of state power (Figure 1). The seal of the government and the organs of the government can also be classified as official seal. Most of the stamps except the official stamps can be called private stamps. Due to private printing is not