The hospital bed, the "invisible protagonist" in the medical scene, is using the power of technology to redefine the dimension of life protection. From the cold metal frame to the intelligent life platform, the evolutionary history of the hospital bed is essentially an evolutionary history of medical humanistic care. When every position adjustment accurately matches the treatment needs, and when every pressure redistribution implies a recovery code, the hospital bed is no longer a simple medical carrier, but a "wise ally" for doctors and patients to fight the disease together.