Forbidden City’s Golden Nails: A Rule of Royal Power

Visitors to Beijing’s Forbidden City often notice the grand red gates with their gleaming golden door nails. But these nails are more than decoration: they once stood as a strict symbol of royal hierarchy. In the Ming (1368–1644) and Qing (1644–1912) dynasties, door nails were bound by precise rules. Only the imperial family could use the golden nails. For commoners, even seeing them outside the palace was rare. One key rule involved the number of nails. It had to be odd. In traditional Chinese culture, odd numbers were considered yang—associated with heaven, masculinity, and the emperor. Even numbers were yin, linked to earth and femininity, and thus unfit for the emperor’s gate. This design detail, now a tourist attraction, once silently reinforced the emperor’s absolute power.