China's hospital grading system is the official evaluation framework for medical institutions. Care is organized in three tiers (A/B levels within each), and Grade 3A hospitals represent the highest qualification level.

China Institutions International Equivalent Core Functions
Level-1 Hospital Primary Care Primary care for common illnesses, chronic disease management, counseling and prevention.
Level-2 Hospital Secondary Care Multi-specialty care covering most common conditions and routine surgeries.
Level-3 (Grade 3A) Tertiary Care China's top-tier hospitals focused on critical, complex and rare conditions.