In the era of rapid development of information technology, all industries are embracing new opportunities for growth. In the area of marketing, artificial intelligence (AI) technology is widely used, and it is important for improving staff productivity and increasing the power of staffs. In the paper, we combine literature review, and empirical study to build a model of Digital Marketing Based on BP neural network, and study its application. Our experiment shows that digitalized marketing can offer audiences individualized services and products, on one hand, and the intelligent data analysis b...