LoremIpsum， Also known as random number pseudotext or dummy text, it is a commonly used virtual text in the fields of printing and typesetting. Due to an anonymous printer deliberately disrupting a box of printed fonts to create a font sample book, LoremIpsum It has been used as the standard text in this field since the 15th century AD. It not only lasted for five centuries, but also passed the challenge of electronic typesetting, and its prototype is still preserved today. In the 1960s Leatraset” The company has released a printed version LoremIpsum The use of paragraph paper has become widely popularized. Recently, computer desktop publishing software AldusPageMaker” Also through the same method LoremIpsum Fall into the public eye.