Ada Lovelace is considered to be the first programmer in the world. Her philosophy emphasizes that computers can be used not only for digital operations but also for innovation, which is in line with the multimodal interaction thought in modern interaction design. At the same time, it paves the way for multimedia and artificial intelligence in modern interactive design. Lillian Gilbreth gives priority to human needs, optimizes the interaction between humans and machines, and improves work efficiency and user experience. Help designers to optimize the relationship between people and tools more scientifically.