China is also called "summer" and "all summers". It is the self-proclaimed name of the ancient Zhou Dynasty in China, in order to distinguish the four departments (Siyi) hostile to the Zhou Dynasty. For example, in Zuo Zhuan's fourteen years of marriage, it is recorded that Jiang Juzhi, who came from four mountains, said, "My brother's diet and clothes are different from those of China, and his money and language are not up to standard. "China originated in Hua Xu, and Fuxi's mother was Hua Xushi.

In the Zhou Dynasty, all monarchs who obeyed the etiquette and kept the etiquette and righteousness were called Zhu Xia. In ancient books, "Hua" and "Xia" were regarded as the Central Plains, and the four sides were called "foreign soldiers". At first, "Huaxia" was just a cultural concept and a self-styled name of the Zhou Dynasty. After the Han dynasty, it became another name of the Han nationality with a national concept.

China is also called China, Midsummer, Middle-earth and China. China and Xia used to be common, and these two words are synonyms. It is summer in China. China is also called midsummer. For example, in Zuo Zhuan's Ten Years in Office, Confucius said: "Don't seek summer, don't mess with China." The "Hua" here is also "Xia". Confucius regarded "Xia" and "Hua" as synonyms. In Oracle Bone Inscriptions, the word "Xia" occupies a very lofty position. About the Spring and Autumn Period, China ancient books began to use "Hua" and "Xia" together, called "Huaxia".

Extended data:

China in the pre-Qin period only refers to countries such as Lu, Jin, Qi, Zheng, Cai and Wei, which are "Zhi Zi's maternal uncles"? In addition, princes with different surnames, such as Song and Chen, surrendered to the Zhou Dynasty. Wu, also known as Wang, did not observe the rites of Zhou. Although he was a "Zhou man", he was regarded as a barbarian. As a descendant of Shao Hao, the son of Xuanyuan Huangdi, Chen was regarded as "China" at one moment, and "Siyi" at the other? ; One is the descendant of Lv Zhong Guo, and the other is the descendant of Xuanyuan Huangdi Ju? Once regarded as a barbarian by Lu, Jin, who belongs to the royal family of Ji with Lu, can be regarded as a "brother".

As famous mountains and rivers, Sidu Wuyue is also within Kyushu (Huaxia)? .

Sidu: Yellow River, Jishui, Huaihe River and Yangtze River.

Wuyue: Mount Tai in Dongyue, Huashan in Xiyue and Hengshan in Nanyue? [38], Hengshan Mountain in Beiyue, Songshan Mountain in Zhongyue

Five towns: Yishan in East Town, Wushan in West Town, Huiji Mountain in South Town, Yiwu Road Mountain in North Town and Huoshan in Middle Town.

The geographical scope of China sprouted in the pre-Qin period, and has remained stable since Emperor Wu of the Han Dynasty.

Source: Baidu Encyclopedia Huaxia