Dianji Temple was erected during the Qing Dynasty and dedicated to Kaizhang Shengwang, the patron deity of settlers from Zhangzhou in Fujian Province. The temple served as a spiritual anchor for early immigrants establishing themselves in northern Taiwan, and its original site sat near what was then called Shiyinggang Creek - since channeled underground and renamed the Xuchuan River. The surrounding land was once rice paddies. Qing official Liu Mingchuan, touring the area, described the fields as 'beautiful as jade,' and the district took the name Yutian - Jade Field - a name that persists in local administrative records today. During the late Japanese colonial period, the temple's steady stream of worshippers attracted food vendors who set up around the temple square. What began as a convenience became a tradition, and what became a tradition became an institution.

After World War II, the Keelung City Government officially designated the area between Rensan Road and Ai San Road as a night market zone, formalizing what decades of hungry worshippers had already created. The stalls multiplied, and the market's reputation grew until it rivaled the temple's own fame. The layout today runs along Rensan Road and bends onto Aisi Road, creating the L-shape that locals navigate by stall number rather than street address. Each vendor occupies a designated spot, some passed down through generations of the same family. The market was selected as one of the world's top twenty food markets by Tatler Asia in 2021, and Taiwan's Tourism Bureau has named it among the island's best night markets. Yet the market has never aspired to polish. The stalls remain small, the seating improvised, and the cooking happens at arm's length from the customer - close enough to watch the precise moment when a dumpling wrapper seals or a crab shell cracks.

Miaokou's identity is inseparable from its specific dishes. The market is known for seafood - crab, squid, and fish prepared in styles that reflect Keelung's status as a working port city. Vendors here do not serve Taipei-style refinements. The flavors are coastal and direct: things pulled from the nearby harbor, fried or boiled or braised with ginger and rice wine. What distinguishes Miaokou from Taiwan's hundreds of other night markets is consistency across decades. Recipes are guarded, modified only gradually, and visitors who return after years of absence report finding the same flavors at the same numbered stall. The market operates twenty-four hours a day, though during daylight the pace is slower, the crowds thinner, the vendors less urgent. Evening transforms it. By eight o'clock, the lanes are shoulder-to-shoulder, the overhead lights reflect off wet pavement, and the temple's incense mixes with frying oil in a scent that belongs to no other place.

Keelung Railway Station sits six hundred meters to the northwest, making Miaokou one of the most accessible night markets in Taiwan for travelers arriving by train from Taipei - a forty-minute ride. The market also lies within walking distance of the Keelung Cultural Center and Keelung E-Square, but few visitors bother with those diversions once the food stalls are in sight. The real geography of Miaokou is vertical rather than horizontal: the market occupies a compressed space between buildings that rise several stories on either side, channeling the steam and noise upward. Standing at the entrance on Rensan Road, the view narrows quickly into a corridor of light and smoke, the temple visible at its center like a calm eye in a culinary storm. Dianji Temple still holds regular services. Worshippers still burn incense and make offerings. And the vendors, as they have since the Japanese colonial era, still feed whoever the temple draws in.