Women's books, also known as women's books, mosquito-shaped characters and fan-shaped books, are characterized by long diamonds, beautiful and exquisite fonts and strange shapes. Previously, it was only used by women in Shangjiangwei Township, Jiangyong County, Hunan Province, and men didn't know it, so it was called Nvshu. As the only female script found in the world, it was found in Jiangyong County, Hunan Province in the south of China, so it is also called Jiangyong Female Script. It once spread among women in Jiangyong County, Hunan Province, China and its neighboring Dao County. It is passed from mother to daughter, from old people to young people and from generation to generation. "Nvshu" is a calligraphy art with an ancient origin, wide coverage and rich information content, and it is also a unique and magical cultural phenomenon in human history.