"Longxi Hall" is the name and symbol of Li's hall in Longxi. Therefore, taking the ancient Longxi, the birthplace of Li in Longxi, as the "hall number" just proves that the area of Longxi in Fa Yuan Li is Longxi County under the jurisdiction of Didao.
The origin of surnames
1, the surname Yuan won.
In other words, Li originated from Li's surname, and his blood ancestors were (Li's surname, Ji's surname). He was appointed as Shundali (the official in charge of criminal law), so the official family was named Li (the old saying "Li" and "Li" are interlinked), first Li and then Li.
2. Li Shu's totem theory.
In other words, Li's surname originated from totem worship and thought it was totem.
Li Yin became an official in Dali and got his surname Li. Later, he took refuge for food. Because they eat wild plums, they are cultivated as domestic plum trees, and plum trees are regarded as sacred trees, that is, totem trees. Therefore, all descendants of Li often plant Li as a symbol next to the house, and this habit has been preserved to this day. Li Baijia had a peach and plum garden, and many plum trees were planted in the palace garden of the Tang Dynasty.