In this paper.the Heluo culture,the prosperous period of Sui and Tang dynasties,the peony culture and the Heluo element symbols in the Han clothing are presented and expressed.Applied to the study of the peony festival and the Longmen Grottoes,the construction of Han clothing IP image helps to improve the brand identity and sense of value,promote the soft power and international influence of Heluo culture,and promote the development of Heluo culture.