Linzi, the capital of Qi State in the Warring States Period, is located in the north of Zibo City, Shandong Province, which is a city and a country. Zihe River in the east and water in the west, and the city wall turns with the river bank, with more than twenty corners. People and officials mainly live in Guo.

The King City is close to the southwest depression of Guo, with high terrain, the highest in the northwest, and a rammed earth platform known as "Huan Gong Tai", surrounded by a large rammed earth platform, which should be a palace area. There are also coin-making workshops and iron-smelting workshops in the city. The outer wall of the gate facing Guo protrudes to Guo. The southeast corner is particularly thick, and there may be an original turret above it. These are all measures taken by the King of Qi to guard against Chinese people, and they also have the function of demonstrating. There are rammed earth platforms such as "Xiema Terrace" and "Wutai Terrace" in the west of the city. According to literature, this is a palace in the suburbs.