'Dream of the Red Chamber' was a classic work of Chinese classical literature and was hailed as the pinnacle of Chinese novel history. The artistic technique of his character creation was unique and impressive. The characters in 'Dream of the Red Chamber' used many artistic techniques. Firstly, the author Cao Xueqin described each character's personality, appearance, behavior, psychology, etc. in detail so that readers could understand each character's inner world in depth. Secondly, the author also used a lot of symbolism to hint at the identity, status, personality, etc. of the characters through their clothes, accessories, and artifacts. In addition, the author also expressed the characters 'personalities and emotions through the dialogue, actions, and psychological activities between the characters so that the readers could have a deeper understanding of the relationship between the characters. In the end,'Dream of the Red Chamber' even used a comparison technique. By comparing different characters to highlight their differences in personality, the readers can have a deeper understanding of the relationship between the characters. For example, the comparison between Jia Baoyu and Lin Daiyu made the readers feel the deep entanglement between them through their character, behavior, emotions and other aspects. To sum up, the art of character creation in "Dream of the Red Chamber" is unique. Through meticulous descriptions, symbolism, and contrast techniques, the character, behavior, and psychology of each character are described very clearly, allowing the readers to deeply understand the inner world of each character. It is an excellent work of character creation art.