Hou Tu, whose title can be translated as Sovereign Earth or Empress of the Earth, represents the earth at a high ritual and cosmic level. Hou Tu should not be confused with Tu Di Gong, the title used for many local land gods.
Earth in early ritual
Early Chinese sources use the name or title in more than one way, including an earth power and figures tied to lineage or office. Imperial worship later honored the earth together with heaven as a foundation of political and agricultural order. The rites changed across dynasties.
In Daoist settings, Hou Tu became a major member of the sacred administration and is often shown as female. Titles such as Empress of the Earth express this form. Other texts or interpretations may use male language. The shift cannot be reduced to one moment when a single character changed gender.
Cosmic and local levels
Hou Tu concerns earth as a broad power, while a Tu Di Gong protects a defined locality. Both can be described through official titles, but their scale and ritual histories are different. Treating them as the same god erases those differences.
The contrast is explained further in the page on Tu Di Gong. The site’s discussion of the Jade Emperor also shows why rank and authority vary between popular, imperial, and Daoist systems.