1, the principle of autonomy: It emphasizes that everyone has the right to make decisions and take actions freely according to his own values and the information he has, without external interference. Its essence is respect for people. .

2. Advantage principle: emphasize everything for the benefit of patients and try to do things that are beneficial to patients. At the same time, we should try to avoid causing harm to patients. One of the most important duties of nurses is to consider the interests of patients and avoid or eliminate the harm to patients. )

3. Harmless principle: Do not do anything harmful to the patient's body and mind, and emphasize the morality of nurses, be compassionate, kind and kind.

4. Principle of justice: Nurses are required to give fair care to people of different races, colors, ages, occupations, social status, economic status and education level. The essence of justice is equality, that is, nurses should treat patients and others equally.

5, the principle of informed consent:

(1) Meaning: The main treatment that patients receive in the hospital can only be carried out after the patients or their families fully understand the situation, make their own judgments and voluntarily agree.

(2) Conditions:

1) Patients must be fully informed about the diagnosis, treatment or care they receive, that is, they should know the reasons, methods, advantages and disadvantages, possible reactions or side effects. 2) Consent must be based on complete voluntariness, and any consent that forces the patient to consent or the patient is afraid of retaliation is not informed consent; 3) The patient or his family members agree when they are fully awake and have the ability to make judgments and decisions.