数字是思维与符号结合的产物,也是最简洁的语言之一。在人们的生产生活过程中,数字不仅仅代表了简单而抽象的数量概念,而且被赋予了各种特殊的文化涵义。吐蕃人(藏人)多喜奇数三、七、九、十三等,它们在吐蕃数字文化中有特殊而重要的地位,这在都兰热水吐蕃古墓中有充分的体现。此文主要讨论其中的七、九、十三。 Numbers are the product of a combination of thinking and symbols, and one of the simplest languages. In the process of people’s production and life, numbers not only represent the simple and abstract concept of quantity, but are also given various special cultural meanings. Tubo people (Tibetans) more odd number three, seven, nine, thirteen, etc. They have a special and important position in Tibetan digital culture, which is fully reflected in the Tulane Hot Tubo tombs. This article mainly discusses one of seven, nine, thirteen.