Qinghai itself is a provincial-level city. Qinghai is located in Western China and the northeast of the Qinghai Tibet Plateau, the roof of the world. It is named after Qinghai Lake, the largest inland salt water lake in China.
Qinghai belongs to the plateau continental climate, with the characteristics of low temperature, large temperature difference between day and night, less and concentrated rainfall, long sunshine and strong solar radiation. Winter is cold and long, and summer is cool and short.
Qinghai crosses the four major water systems of the Yellow River, the Yangtze River, the Lancang River and the Heihe River. It is the birthplace of the Yangtze River, the Yellow River and the Lancang River. Therefore, it is known as the "source of rivers", also known as the "source of three rivers", and is known as the "Chinese water tower". It has three landforms: Qinghai Tibet Plateau, inland arid basin and Loess Plateau. It is part of the Qinghai Tibet Plateau, the "roof of the world".
Qinghai is adjacent to Gansu Province in the north and East, Xinjiang Uygur Autonomous Region in the northwest, Tibet Autonomous Region in the South and southwest, and Sichuan Province in the southeast.