The pit courtyard is also called the patio courtyard, and some people call it the "diyin pit" and the "ground kiln." It is full of rich loess style, simple and thick, beautiful poetry, and a unique pit courtyard community. It is praised by experts and scholars as "under the horizon" "Living Fossil in the History of Ancient Villages and Folk Houses" "The Highest Achievement of Chinese Farmers' Raw Soil Construction"

The pit yard is a kind of dwelling house in the cave. Cave dwellings are generally in the form of cliff-type caves, sunken caves, and free-standing. Among them, there are many applications for mountain dwellings. It is built on the slopes of the hills and on the edge of the soil, often presenting upwards from the mountains. It is distributed in several steps, and the roof of the lower kiln is the upper vestibule with a wide view.

Dikengyuan Folk Hotel is also a cave hotel. The cave hotel is built for the ground, and an underground cave building hidden in the village is suddenly in sight. In the background of the magnificent Shaanxi Plateau, the rigidity is monotonous, the courtyard is deep, the courtyards are layered, the typical underground courtyard, and the simple and quiet environment gives you a different private experience.

Dikengyuan Folk Hotel has a construction area of 12,000 square meters and has invested 60 million yuan. The 16 rooms are arranged according to the Yijing gossip. They are equipped with meeting rooms, Chinese and Western restaurants, entertainment facilities and mining hot spring baths. After completion, they will become the largest underground in the country. Cave Hot Spring Hotel.

The biggest feature of the cave building is that it is warm in winter and cool in summer, and it is comfortable and energy-saving. At the same time, the traditional space is permeated with harmony with nature. The simple appearance is also unique in architectural aesthetics. The pit yard has the characteristics of sturdiness and durability, warm in winter and cool in summer, wind and sound insulation, shockproof and anti-seismic. The temperature in the kiln in winter is above 10 degrees Celsius, and it is maintained at about 20 degrees Celsius in summer, so people call it "natural air conditioning, constant temperature residence ".