Location： Qinghai Province, in the upper Yangtze and Yellow river valleys in the northeastern part of the Qinghai-Tibet Plateau in the southern part of northwestern China, takes its name from its large salt lake, Qinghai. 

Physical Features：The terrain of Qinghai is various and complex. Kunlun Mountains across the whole province, Tanggula Mountains, Arjin Mountain and Qilian Mountain lie in both south and north.

Population： 5.39 million （2004）
Urban population：which 20 percent live in the cities
Area：720,000 sq km
Nationalities：Han,Tibatan Hui, Tu, Salar, Mongols,(a little) Kazak.

History：Qinghai was only relatively recently made a province of China. The area, historically called Kokonor in English until the early 20th century, lies outside of China proper and has been an ethnic melting pot for centuries, mixing Han Chinese,Mongol, Tibetan and Turkic influences. It was a battleground during the  Tang and subsequent Chinese dynasties when they fought against successive Tibetan dynasties.
Climate and temperature: The climate in Qinghai belongs to typical plateau continent. The low temperature, dryness, windy and lack of oxygen are the characteristics of the province. It's main stock raising fields from south of province to Chaidam Basin and to south of Gui'de County in Qinghai.

Rainfall：The annual precipitation averages 700 mm in the river valleys in the eastern part, while that in the Qaidam Basin in western Qinghai is below 50 mm. In some places it is only a little more than 10 mm.

Rivers：Yellow river, Yangtze river，Luancang river

Introduction
Administrative divisions: The whole province has administrative jurisdiction over two cities ( Xining and Golmud ), one prefecture (Haidong), and six autonomous prefectures (Haibei Tibetan Autonomous Prefecture, Hainan Tibetan Autonomous Prefecture, Huangnan Tibetan Autonomous Prefecture, Yushu Tibetan Autonomous Prefecture, Guoluo Tibetan Autonomous Prefecture, Haixi Mongolian and Tibetan Autonomous Prefecture.
There are 48 counties, autonomous counties, county-leveled cities and towns. The minority autonomous regions make up 98 % of the whole province. Xining, the capital of Qinghai, is the political, cultural and economic center.
Economy: Qinghai's economy is amongst the smallest in all of China. Its nominal GDP for 2006 was just 64.1 billion RMB (8.3 billion USD) and contributes to a little over 0.3% of the entire country's economy. Per capita GDP was 11,753 RMB (1,519 USD).
Its heavy industry includes iron and steel productions, located near its capital city of Xining. Oil and natural gas from the Chaidamu Basin has also been an important contributor to the economy.
Culture: Qinghai's is heavily influenced by China proper and Tibet, given the close proximities as well as a shared history. Qinghai was also vital to such European eras as the Reformation, and the Renaissance as numerous Chinese inventions like the compass and the printing press all flowed through the Silk Road, which was vital to the economy.
Transportation :The Lanqing Railway, running between Lanzhou, Gansu and Xining, the province's capital, was completed in 1959 and is the major transportation route in and out of the province. A continuation of the line, the Qinghai-Tibet Railway through Golmud, has become one of the most ambitious projects in PRC history. It was completed in October 2005 and now links Tibet with the rest of China through Qinghai.
Six National Highways run through the province. Xining Caojiabu Airport provides service to Beijing, Lanzhou, Golmud and Delingha.