Mi Fei was a famous painter and calligrapher in the Northern Song Dynasty. Mi Fei, a native of Xiangyang, Hubei Province, is a famous Lumen layman. At that time, people also named him Xiangyang barbarian or Haiyue Waishi. Mi Fei was a famous artist and connoisseur of calligraphy and painting at that time, and he did a lot of research on calligraphy art, calligraphy appraisal, painting and collection. Although Mi Fei was involved in officialdom, he was addicted to calligraphy and painting, and his clothing behavior was regarded as weird and crazy by the world, so he got the nickname "Mi Dian". Mifei loves the art of painting and calligraphy, and has always held a rigorous attitude towards creation, and has also made the deepest efforts in painting and calligraphy. His achievements in calligraphy are entirely due to his hard work all day.
The scroll is a tool used by the ancients to write, and it is a form of book made by writing words on it with standardized wooden boards. It is said that this kind of wooden board has many specifications, the most common one is one square foot and the thickness is one city inch, which is called "one foot and one inch" for short, so it is called "ruler". The ancients often used rulers to write calligraphy or painting. Papermaking was invented by Cai Lun of Han Dynasty in China. Before making paper, the ancients used bamboo or silk to cut it into foot-long pages, which can then be used for writing or taking notes, so there are many names, such as ruler letters and ruler books. Among these appellations, the letters of letters of letters of letters of letters of letters of letters of letters are used the most and the earliest, so they are synonymous with letters or calligraphy and painting.