To draw a signature is to design your own signature, that is, to write your own name, especially to express agreement, recognition, responsibility or obligation. The signed document is irrevocable. In the coming digital life, electronic documents will gradually replace paper documents as the main body of information exchange. The way to prove that the electronic document is made by the author is to make an electronic signature on the electronic document by simulating the ordinary handwritten signature. Generally speaking, people write their names only by the general rules of Chinese characters, so the names written in this way are often very general and have no artistry, and the signature design is designed by the signature designer according to China's traditional calligraphy, art composition and the relationship between words. The designed signature is convenient to write, unique in shape and natural and unrestrained.