Sun Simiao, a medical scientist in the Tang Dynasty, wrote "Great Doctors are Sincere", saying: "All great doctors should be calm and determined, have no desire and no desire, show great compassion first, and vow to seek spiritual suffering in general ... don't avoid danger, day and night, cold and heat, hunger and fatigue, and devote themselves to rescue, without the heart of kung fu. This can be a great doctor for the whole life. " "Xinglin Spring Warmth" and "Xinglin Spring Warmth" are often used to praise doctors with superb medical skills and noble medical ethics.