Abstract: The voluntary service is organized by volunteers of NGO (non-governmental-organization) for the purpose of enhancing social morality,without material reward or compensation.It has many ethical characteristics such as voluntary,publicly benefited and nonprofit.The specific ethical attributes determine that it will play an outstanding role in developing morality cognition,enriching moral sentiments,strengthening moral responsibility and enhancing moral capability.

Key words: NGO, voluntary service, cultivation of civic virtues