1, from the feudal name. According to legend, the descendants were sealed in Puban in Xia Dynasty, so his descendants took Pu as their surname.
2. From the name of Pucao. Legend has it that in ancient times, the chiefs of the Western Qiang nationality had a pool in their home. Typha grass growing in the pool is about five feet long and knotted like bamboo. People were curious, so they called the chief's family Pujia, and later their family took Pujia as their surname.
3. From the name of Pucao. In the Eastern Jin Dynasty, there was a pool in the home of General Zheng Bei and Jizhou Cishihong, where there was lush cattail grass. Many people feel very strange after seeing it, so people call his home Pujia, and his family has the name Pujia.