Tibetan costume culture is a treasure of Chinese ethnic costume culture. Through clothing patterns and production techniques, it demonstrates the "unity in diversity" of Chinese culture and has important significance for building a discourse system of "cultural confidence" in our country. In modern society, the transmission of Tibetan costume culture has shifted from the "apprenticeship-style" inheritance based on kinship relationships to the employment of apprentices. With economic development, major universities and vocational schools have cultivated fashion design students, and on-the-job training in modern factories has also gradually become standardized. In addition, fashion shows, images, short videos, and livestreaming have gradually become mainstream modes of transmission through new media. This article investigates the inheritance of Tibetan ethnic costume culture and discusses how to pass down intangible cultural heritage costume culture of ethnic minorities in a modern context. It analyzes the risks of generational breaks in inheritance due to the impact of industrialization, with young inheritors being influenced by economic and social status. It proposes solutions such as constructing a social support system, understanding consumer trends, leveraging design as a force, and promoting "social aesthetics." It also analyzes the inheritance of intangible cultural heritage costume by inheritors, audiences, and consumers, as well as the possibilities for continuous innovation.