These two small stone piers are called doorways.

A pair of flat stone piers or drums are placed at the entrance of a traditional building of the Han nationality (because the drums are grand and majestic, people think they can avoid ghosts and admire them). Including baogu stone and general door pillow stone, in ancient times, different grades of family door were also very strict.

Door dangshi is generally placed on both sides of the gate of ancient Han traditional buildings, which is used to show the decorative art of the ancient gate marking the owner's rank and status. Together with the door hairpin, threshold, door leaf and door frame, it produces a simple and elegant overall artistic decorative aesthetic feeling, which is a symbol of good luck, blessing and avoiding evil. And with the building reflect each other, harmonious and unified, play the role of the finishing touch, become an indispensable part of traditional residential buildings.