Compared with third-and fourth-tier cities, first-and second-tier cities have a more developed economic base and are more attractive. Under the background of national economic development, first-tier cities and some second-tier cities have more economic strength and employment opportunities, attracting a large influx of people and forming a tight supply and demand real estate market.

However, the economic development of third-and fourth-tier cities is relatively lagging behind, and the population inflow is less, which leads to oversupply in the real estate market and falling house prices. In order to control the overheated development of the real estate market, the purchase restriction policy has been gradually introduced and tightened. The stricter purchase restriction policies in first-and second-tier cities have effectively curbed the demand for investment houses and controlled the rise in house prices to some extent. Due to the lagging economic development in third-and fourth-tier cities, the supply of real estate market exceeds demand, and the implementation of the purchase restriction policy is relatively loose, which leads to price decline.

List of third-tier cities

1, Heilongjiang Province: Daqing City.

2. Liaoning Province: Anshan City.

3. Jilin Province: Jilin City.

4. Inner Mongolia Autonomous Region: Hohhot.

5. Xinjiang Uygur Autonomous Region: Urumqi.

6. Ningxia: Yinchuan.

7. Yunnan Province: Lijiang City.

8. Shandong Province: Jining, Heze, Zibo, Dezhou, Weihai, Tai 'an and Liaocheng.

9. Shanxi Province: Yuncheng City

10, Shaanxi Province: Weinan City, Xianyang City.

1 1, Hebei Province: Tangshan, Qinhuangdao, Handan, Cangzhou, Xingtai and Langfang.

12, Henan Province: Luoyang, Pingdingshan, Nanyang, Xinyang, Zhoukou, Xinxiang, Kaifeng, Shangqiu, Xuchang, Zhumadian and Anyang.

13, Jiangsu Province: Yangzhou, Zhenjiang, Taizhou, Huai 'an, Lianyungang, Suqian and Yancheng.

14, Zhejiang Province: Wenzhou, Jinhua, Taizhou and Huzhou.