Clan characteristics:
1, although the surname Yu appeared in history, it was not common before the Song Dynasty.
2. Yu's family is mostly found in the Yangtze River valley and Guangdong and Guangxi, but with the development of traffic and the migration of population, it has been distributed all over the country.
3. Yu moved south earlier than other surnames, and Yu entered Guangdong and Guangxi earlier, which is unmatched by his surnames.
4. Yu is brilliant in philosophy, medicine, temperament, calligraphy and cultural studies, especially in medicine and temperament, which seems to have a strong understanding ability. General Yu also wrote two masterpieces handed down from ancient times: Zhengqi Hall Collection and Sword Sutra.