Since ancient times, Chinese folklore has upheld the tradition of pasting images of Door Gods on household gates during the Lunar New Year.
Originally symbolizing “divine guardians of the gate,” Door Gods emerged from early nature worship, when people believed every aspect of daily life—doors, stoves, beds—had its own deity. Among the earliest Door Gods were Shentu and Yulei, legendary figures tasked with warding off evil spirits and malevolent entities. Their stories, recorded in texts like the Classic of Mountains and Seas, describe them as fierce protectors carved onto peachwood plaques and hung on doors, rather than painted images.
Over time, new Door Gods began to replace Shentu, Yulei, and other early deities, evolving in form and symbolism. The most iconic replacements were the military Door Gods, Qin Shubao and Yuchi Gong, two Tang Dynasty generals immortalized in folklore and literature. Their transformation into Door Gods is famously tied to Journey to the West and Romance of the Sui and Tang Dynasties.
The Door Gods in Journey to the West
In Journey to the West, the origin of Qin Shubao and Yuchi Gong as Door Gods is linked to a tale where the Tang Emperor Taizong, haunted by vengeful spirits, ordered the two loyal generals to stand guard at his palace gates.
“When you established your empire,” said Yuchi Gong, “you had to kill countless people. Why should you fear ghosts?” “You may not believe it,” said Taizong, “but outside this bedroom of mine at night, there are bricks thrown and spirits screaming to a degree that is truly unmanageable. In the daytime it’s not too bad, but it’s intolerable at night!” “Let Your Majesty be relieved,” said Shubao, “for this evening your subject and Jingde will stand guard at the palace gate. We shall see what sort of ghostly business there is.” Taizong agreed to the proposal, and Mougong and the other ministers retired after expressing their gratitude.
That evening the two ministers, in full battle dress and holding golden bludgeon and battle-ax, stood guard outside the palace gate.
— Journey to the West, Chapter 10
Their imposing presence scared away the supernatural threats, and their images were later adopted by commoners as protective Door Gods.
The two generals left after expressing their gratitude, and for the following two or three nights their standing guard brought continued peace. However, the royal appetite diminished and the illness became more severe. Taizong, moreover, could not bear to see the two generals overworked. So once again he called Shubao, Jingde, the ministers Du and Fang into the palace, saying to them, “Though I got some rest these past two days, I have imposed on the two generals the hardship of staying up all night. I wish to have portraits made of both of them by a skilled painter and have these pasted on the door, so that the two generals will be spared any further labor. How about it?” The various ministers obeyed; they selected two portrait painters, who made pictures of the two generals in their proper battle attire. The portraits were then mounted near the gate, and no incident occurred during the night.
— Journey to the West, Chapter 10
This story exemplifies how the novel blends history, myth, and cultural practices, cementing their status in Chinese tradition.
Cultural Significance
The shift from Shentu and Yulei to Qin Shubao and Yuchi Gong reflects broader changes in Chinese spirituality—from nature worship to the veneration of historical and literary heroes. Journey to the West played a pivotal role in popularizing this transition, showcasing how folklore adapts to resonate with evolving societal values. Today, these martial Door Gods remain symbols of safety, their fierce visages a timeless reminder of the interplay between myth and collective memory.
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