Letter writing in China dates back thousands of years, with its roots embedded in the ancient practice of calligraphy. Calligraphy is not just a means of writing; it is considered a high art form that embodies beauty, rhythm, and personal expression. Historically, letters served as crucial vehicles for communication, conveying important news, poetry, and personal sentiments. As literacy spread, the act of writing letters became commonplace, leading to the evolution of numerous styles and formats.