There are several villages in Baijian Town, Jixian County, Tianjin. The village names are Liu Jisu, Tian Jisu and Du Jisu. What does Jisu mean? The local villagers don't know.

Jisu is a surname, which may refer to a family or an individual who takes Jisu as his surname. Many places in China have place names named after surnames, such as Liucun and Lijiatun. Therefore, the "Jisu" part of the village names of Liu Jisu, Tian Jisu and Du Jisu may refer to the historical background or inheritance of local families or individuals with Jisu as their surnames.

It should be noted that because surnames and cultural backgrounds may be different in different places, it may be necessary to further understand the local traditional culture and historical background in order to make a more accurate explanation of the specific meaning and source of Jisu surnames.