1. Dorji translated into Chinese means helmet, which is Tibetan. With the introduction of Lamaism to the Mongolian grassland area, children often asked lamas to name them, so they were named in Tibetan, such as Dorji, Puribu, Luobusang, Zhabu, Damuding.
2. Tibetan language belongs to the Tibetan branch of the Tibeto-Burman language family of the Sino-Tibetan language family. Distributed in China's Tibet Autonomous Region and Qinghai, Sichuan Garze Tibetan Autonomous Prefecture, Aba Tibetan and Qiang Autonomous Prefecture, Gansu Gannan Tibetan Autonomous Prefecture and Yunnan Diqing Tibetan Autonomous Prefecture. Tibetan is also spoken in parts of four countries: Bhutan, India, Nepal and Pakistan. . Tibetan language is mainly divided into three major dialects: Uizang dialect (i.e. Lhasa dialect), Kham dialect (Dege dialect, Qamdo dialect), and Amdo dialect (Qinghai Tibetan area).