Sustainable lifestyle emphasizes long-term stability over sudden change. Many people try to change their lives drastically in a short time, such as sudden extreme fitness, drastic diet control, and full schedule adjustment. These intense changes are difficult to persist and easy to rebound. Sustainable lifestyle advocates small, stable and long-term persistent improvements, forming daily habits that can be maintained for a long time, so as to bring continuous positive changes to life. Healthy physical habits are the core of sustainable lifestyle. Adhering to regular work and rest, moderate exercise, balanced diet and daily relaxation can steadily improve physical quality and avoid sub-health accumulation. These trivial daily habits may not bring obvious changes in a short time, but after long-term persistence, they will greatly improve physical vitality, immunity and aging state, laying a solid foundation for long-term health. Sustainable lifestyle also includes sustainable consumption and life concepts. It advocates rational consumption, low-carbon life, resource conservation and environmental protection habits, abandoning impulsive consumption and wasteful life. This lifestyle not only reduces economic pressure and resource waste, but also cultivates a calm, rational and down-to-earth life attitude, making life more stable and orderly. Mentally, sustainable lifestyle maintains steady self-growth and emotional stability. It refuses impulsive anxiety and eager quick success, and insists on slow accumulation and steady progress. Keeping daily reading, thinking and skill learning, maintaining positive interpersonal interaction and stable emotional output can continuously enrich personal spiritual world and comprehensive ability, realizing long-term self-improvement. A sustainable lifestyle is the most reliable way to obtain long-term happiness. Short-term pleasure is fleeting, but stable daily habits and positive life states can continuously create happiness and sense of achievement. By establishing sustainable daily routines, healthy living habits and rational life concepts, people can maintain steady progress in work, health and spirit, and live a stable, positive and high-quality long-term life.