Normative ethics is an important ethic theory that has been applied in contemporary medical ethics as principles and rules.

And "normative ethics"is characterized by its peremptoriness,that is,rules are laid down through legislation to set one s goal and norms of behavior.

The visibility and easy operation of normative ethics influenced the practice of ideological education.

On the ethical norms of network friendship;

Ethics has some connections with both literary texts and non-literary texts,and ethical norms are bound to be involved in translating.

Library ethic criterion is mostly content of library ethic,basic attribute of library ethic criterion consist of subjectivity and objectivity.

The imperfection of the competition order leads to the imbalanced social interests;even the ethic criterions in traditional mechanism can’t fully coordinate with the social benefits.

The construction of ethical standards is not only a task of educational evaluation research,but also an important issue which must be dealt with in evaluation practice.