藏文相传是公元七世纪时,吐蕃赞普松赞干布的文臣通米桑布札参照梵文的一种字体创制的。也有人说藏文字母来源于兰查天字和瓦尔都龙字。还有藏文字母仿自于阗文、婆罗迷文等不同的说法。从一些资料判断,通米桑布札创制藏文的说法未必可信。事实上,远在通米桑布札之前,藏文就出现了。大概通米桑 Tibetan is said to have been written in the style of Sanskrit in the seventh century by the Mongol Sambussum, a government official of Tubo, in Tsongpo, Songtsen. Some people also say that the Tibetan alphabet originated from Lan Cha characters and Valduron characters. There are Tibetan language imitation of Ba Wen, Brahmi and other different versions of the argument. Judging from some sources, it is not necessarily credible to say that the creation of Tibetan by Musmusambha. In fact, Tibetan appeared before Farmsan Sapphya. Pro-mison probably