Ji is pronounced in Mandarin, and there is a pronunciation season in his surname (4 expensive). It should be based on the pronunciation of medieval sounds in Sui and Tang Dynasties, and refer to the rhyme book Guang Yun in the early years of Northern Song Dynasty. Now there are some dialects with ancient sounds, such as Hakka dialect and Minnan dialect, which are also pronounced with Gui 4. China people attach great importance to the inheritance of surnames, and even the pronunciation of ancient surnames is inherited. However, the pronunciation of Putonghua that appeared later is different from the ancient pronunciation, which has not been included in Xinhua Dictionary. Word of mouth pronunciation is not recognized by others. In modern China, there are few grandparents with cultural disasters, and they can't solve problems for the younger generation, which has caused many problems for the younger generation in their study and work. As for the difference between "Ji" and "Ji", the theory of avoiding surnames should be misinformed by ancestors.
Jigui surname is not uncommon, such as Jigui Village in Ruzhou, Henan, Jigui official camp in Lushan, Yexian and Xinyang.