Smart marketing in tourism accompanied by people’s emotional trigger points provides strategies for tourism marketing, and the role and mechanism of the influence of emotional trigger points and the integration of wisdom marketing on the perception of tourism brand authenticity are worth exploring. Cultural identity gives tourists a sense of belonging and motivates to explore the authenticity of tourism. From the perspective of cultural identity, the brainstorming method was used to select experimental stimuli, design scales and launch offline scenario experiments, and the recovered valid data were analyzed. The study explores the influence mechanism of cultural identity, emotional trigger points, smart marketing, experience value and brand authenticity perception. The results of the study show that tourists’ cultural identity, experiential value, and smart marketing all significantly and positively affect tourists’ perception of brand authenticity. The emotion triggered by smart marketing significantly and positively affects tourists’ experience; and consumers’ cultural identity is positively correlated with smart marketing. It is suggested that tourism destinations should focus on the cultural needs of tourists, highlight the special cultural connotations, and build a “wisdom + culture” model with the help of wisdom technology innovation to enhance the perception of tourism brand authenticity.