The advancement of technology will bring about industry transformation, and in the context of the widespread application of digital design, the introduction of artificial intelligence (AI) into architectural design is an inevitable necessity. This article explores the advantages and necessity of applying generative design technology to the entire process of sustainable architectural design. It introduces how generative design and AI techniques are being used throughout the design workflow, from generative model training, alternative design proposal production, design optimization, to visualization export. Conclusively, the introduction of generative design not only enhances design efficiency but also significantly improves the ecological attributes of architectural design, offering a fresh perspective for the sustainable development of the architecture field.