Yi has a wealth of literature and art. Yi literature not only the quantity, content rich, and diverse forms, such as poetry, stories, myths, riddles and so on. Yi language is a Sino-Tibetan Tibeto-Burman Yi branch, there are six dialects. Yi people have their own Word, is China's first syllable Word, the more common more than 1000. Yi, norms adopted in 1957 a program to determine the standard Yi 819 words, and began the trial.
  
Yi has a long history, rich cultural and artistic folk. The "solar calendar" and the "second beast calendar" has its own uniqueness. He said the claim is not the next hundred species, and they are Nuosu call, Nassau dial, Nie Su dial, dial to change the Soviet Union, Sani dial, dial, etc. A fine, after the liberation of the Yi people in accordance with the wishes of unity called Yi. Ding Yi Yi is the "Yi" is a transliteration of the Yi himself, but also has solemn ancient and clothing of good intentions.

Sun Yi's October calendar: We are prevailing and the lunar calendar, and Yi have their own calendar. Yi ancestors in order to better agricultural production, livestock breeding or hunting pigs in the activities, create their own unique calendar - the solar calendar in October. It is the ancient Chinese wisdom of ancestors, is the world's cultures and the history of civilization typical. What is a solar calendar in October it? Sun Yi's October calendar is a tiger, rabbit, dragon, ox and other twelve Zodiac cycle on record, three Zodiac week for one month, thirty Zodiac week for one year; which have created a month 36 days, ten months for 360 days, ending months, plus 5-6 days for the "New Year day", often called "off-year in October," average year "New Year day" for 5 days, the year of 365 days; every three years that fourth year more day, that is a leap year of 366 days. This tune is precession, the annual average of 365 days, with the return this year (solar year) of close. Yi Sun October calendar year is divided into five quarters, five quarters, respectively, to soil, copper, water, fire, represented, season points two months, bimonthly for the female, a single month for the male. It is the sun to set summer and winter sports, the Big Dipper handle point to be cold and heat; it for one year the number of days each month neat, accurate season, its still better than the science we now pass the Gregorian calendar, its history up to years or older.