Devotionally the Jade Emperor rose to the summit of the popular pantheon over the imperial period, his position reinforced by state patronage, notably under the Song dynasty. In the annual round of folk religion he is the god to whom the Kitchen God makes his yearly report on each household, and his birthday, on the ninth day of the first lunar month, is a significant festival observed with special devotion in some regions. Ordinary worshippers often approached him not directly but through the intercession of lesser gods, in keeping with the bureaucratic logic of the celestial order. In Daoist theology his supreme rulership is set within a larger framework of yet higher and more abstract deities, the Three Pure Ones, so that the Jade Emperor is understood as the sovereign administrator of the cosmos rather than as its ultimate metaphysical source.
Visually the Jade Emperor is depicted exactly as a Chinese emperor would be, in dragon-embroidered imperial robes and a flat rectangular crown hung with strings of beads, seated formally on a throne, an iconography that leaves no doubt about the deliberate parallel between celestial and earthly rule his cult was built to express. His birthday festival is observed with particular intensity among Hokkien-speaking communities in Fujian, Taiwan and Southeast Asia, where it is known as Bai Tian Gong, Worship of the Lord of Heaven, and marked with elaborate household and temple offerings on the ninth day of the lunar year, immediately following the main Chinese New Year celebrations, a regional emphasis that remains a distinctive living feature of Hokkien popular religion today.