Our solution involves developing a robust design system based on Material-UI (MUI) to enhance app development efficiency and ensure consistency. We begin by analyzing project requirements and establishing a comprehensive design language, including color palettes, typography, and spacing guidelines. Each Material-UI component is meticulously recreated in Figma, with attention to detail in shadows, borders, and interactions, organized into a Figma library. To cater to different use cases, we design various component states and variants. Thorough documentation outlines component usage, responsiveness, accessibility, and behavior. Collaboration with developers ensures practicality and feasibility during the design process. Version control is implemented to manage updates, and design tokens are extracted for direct use in the code. With our solution, designers and developers can work harmoniously, producing consistent, high-quality apps with ease and efficiency.