Shang Guanghua? With the rapid development of social economy and the improvement of people's living standards, the trend of paperless office is becoming more and more obvious, and the opportunities for people to write are gradually decreasing. The pen, paper and writing skills that have always been closely related to literati are gradually alienated from us. But at any time, there are always a few words that can't be "put", and that is signature. Signature is a visual symbol of a person's personal credit and aesthetic taste in all relationships such as society, law and contract. Also called signature and signature.