 So, "Nuoji" was formed as a sacrificial activity or ceremony to worship gods and ancestors.The exact date when "Nuoji" was formed is unknown, but the Nuo ceremony was first recorded on oracle bones during the Shang dynasty (17th-11th century BC), and flourished in the Zhou dynasty (11th century-256BC).In the Zhou dynasty, "Nuoji" was already very popular within the central parts of its territory.