Tang Dynasty dress culture is a bright pearl in the treasury of ancient Chinese dress culture, reflecting the social style and ideology of that time. Based on the data of index platform, this paper analyzes the change of attention to Tang Dynasty costumes from 2020 to 2025, and then combines the techniques of Word2vec and TF-IDF to explore the relevant elements and overall characteristics of Tang Dynasty costume styles. On this basis, the main ideological concepts of the Tang Dynasty and the evolution of dress cultural symbols are analyzed. The study shows that the attention of Tang Dynasty costumes has increased overall in recent years, with the highest growth rate of 24.23% in 2024. The main descriptive terms for Tang Dynasty clothing are gorgeous, prosperous, free, bold, rich, plump, and spacious, with a weight range of 15 to 25. The dresses of the early Tang Dynasty were becoming more and more simple, reflecting the Taoist philosophy of honoring nature at that time. Under the influence of the concepts of “China and Yi a respect” and “one inside and one outside”, women’s clothing in the Shengtang period became more bare and hu clothes were popular. In the Late Tang Dynasty, luxury and simplicity coexisted, and the influence of foreign cultures was more obvious.
