FaceChain is a deep learning toolkit supported by ModelScope, capable of generating your digital twin with at least one portrait photo and creating personal portraits in different settings (supporting multiple styles). Users can train digital twin models and generate images through FaceChain's Python scripts, the familiar Gradio interface, or sd webui. The main advantages of FaceChain include its ability to generate personalized portraits, support for multiple styles, and an easy-to-use interface.