What is the use of mountains and rivers arch show?

Mostly used for door plaques.

It means the mountains, rivers and rivers are tall and beautiful. Hanging it at the gate means that the scenery in the courtyard is beautiful, majestic and lofty. Plaque refers to a horizontal plate with inscriptions, hung on the upper part of a door or wall, such as a plaque, or refers to a utensil made of bamboo strips with a round bottom and a shallow frame, used to raise silkworms, hold grain, etc.

Chaoshan folk houses have a unique cultural style. The most expressive thing is the horizontal plaque on the front door, commonly known as the door plaque. As a cultural form, door plaques have rich ideological connotations and social influence.

Door plaques often combine calligraphy and painting. Many door plaques are exquisite works of calligraphy and fine art by famous artists or local folk artists, and are of great research and appreciation value.