The overall layout of Daxing in Sui Dynasty was based on the interests of the ruling class at that time. In order to strictly separate Miyagi, the government and the houses, and make the court and the houses "no longer related", Miyagi was placed in the center and north. To the south is the Imperial City, which contains government offices, government-run workshops, warehouses and guards. It's all set up, and the imperial city is surrounded by residential alleys on three sides. The planning of Daxing City is generally modeled after Luoyang City left over from the Han, Jin and Northern Wei Dynasties, so its scale, city outline, layout form and square city layout are very similar to Luoyang. But Daxing is a newly-built city, so it is more regular and idealistic than Luoyang.

The east-west direction of Daxing City is 1 15 steps, and the north-south direction is 175 steps. The city is divided into 109 Li Fang and the northern end of the central axis. Except for the imperial city and the two cities outside the palace, there is a metropolis (Dong Tang City) in the east and Liren City (Tangxi City) in the west. The roads in this city are wide and straight. The horizontal street between Miyagi and Imperial City is 200 meters wide, the straight street in front of Imperial City is 150 meters wide, and other streets are 25 meters narrower. The whole city forms a regular checkerboard layout.

In order to supply all kinds of articles in Beijing and meet the water demand of palace gardens, Emperor Huang Kai excavated Yong 'an Canal and Qingming Canal in the west of the city for three years, leading directly to Miyagi and Forbidden Garden. Longshou Canal was also dug to produce three rivers and reach the garden. In the fourth year of Emperor Kai, it was dug for more than 300 miles from Daxing East to Tongguan, and the Weihe River was injected into the canal, so that water could pass through the Yellow River without passing through the Weihe River, hence the name Guangtong Canal.