I haven't seen the Dragon and Tiger, but you should be talking about Hippocrates. He was a doctor in ancient Greece, and now the western medical system is said to have started from him and is regarded as the "father of medicine" by the west. There should be such a statement about his promise. You should read the following article, which is about doctor's morality:

In the 5th century BC, there was Hippocrates Medical College on Kos Island, from which western medicine was born.

Vows under the buttonwood tree

"It is a shame that any kind of art (especially medicine) still makes no progress after repeated setbacks, repeated practice and frequent discussions."

"The primary goal of all doctors' medical skills is to cure patients. If we can achieve this goal in different ways, we should choose the simplest one. Only in this way can doctors be commensurate with the reputation of good character and superb medical skills, rather than coveting vulgar ordinary coins. "

-Hippocrates, the art of language

There is a huge French phoenix tree on the Aegean Sea island of Kos, which is fortunate to be a "living historical relic" respected by tourists, especially medical workers. Legend has it that at the end of the 5th century BC, all young people in Greece who were determined to become doctors had to take an oath under the buttonwood tree, which was the oath of Hippocrates.

This oath was originally Hippocrates' principle of personal moral self-discipline; After Hippocrates led a medical school on the island of Kos, it became the school motto. With the expansion of Hippocrates' influence, that oath has become the principle of moral self-discipline that doctors have been observing for hundreds of years, and it is far from confined to Kos, but transcends Greece and spreads to Rome and the whole world today.

Coase island is so small that few people pay attention to it unless it is out of Hippocrates. It is in the southeast corner of the Aegean Sea, close to Turkey and far from Athens, although it belongs to Greece. However, it is too big, a plane tree leaf is enough to cover the Aegean Sea, a plane tree branch extending westward is enough to benefit Greece and Rome, and a vibrant tree has brought moral shade to mankind.

Hippocrates is called "the father of western medicine" and deserves it. There is no doubt that he is by far the greatest man in the whole medical history. Moreover, the influence of this oath goes far beyond the scope of medicine and becomes a bright pearl and an immortal torch in the long river of human history. And this oath is so short and simple that any great book is eclipsed in front of it. The oath of Hippocrates has almost become synonymous with professional ethics and professional conscience, and the voice of Hippocrates 2400 years ago will always echo:

Apollo, Eskel and the gods of heaven and earth testify, and I Hippocrates swear:

I am willing to keep this oath with my own judgment. Anyone who teaches me medical skills, I should respect him as I respect my parents. As an object of lifelong respect and friend, I will definitely help the teacher who gave me medical skills in an emergency. Treat my teacher's children as my brothers and sisters in Hippocrates; If the teacher's children are willing to become doctors, I will teach them unconditionally and free of charge. My medical skills, whether expressed orally or in writing, should be taught to my children, to my teacher's children, and to students who swear to abide by this oath; Except for these three situations, it will not be passed on to others.

I am willing to do my best within the scope of my judgment, abide by the moral principle of seeking welfare for patients, and put an end to all depraved and harmful behaviors. It is not allowed to give others harmful drugs, nor to instruct others to take harmful drugs, nor to use harmful drugs. In particular, women are not allowed to have abortions. I volunteer to practice medicine for life with a pure and sacred spirit. I shouldn't have this operation because I don't have the professional knowledge to treat lithiasis. If there is a need for treatment, I will introduce him or her to an expert who treats stones.

No matter where I go, no matter whether the patients who need treatment are male or female, no matter whether they are freemen or handmaiden, I treat them equally, and seeking happiness for them is my only purpose. I want to behave myself, not to do all kinds of bad things that harm others, especially not to seduce female patients or their families. In the course of medical treatment, what I have seen and heard, whether it is directly related to medical practice or not, will never be revealed.

I abide by the above oath in order to let Apollo, Esquel and the gods of heaven and earth give me great glory in life and medicine; Once I break my oath, I ask the god of heaven and earth to give me the severest punishment!