Virtue ethics has solved the disadvantages which come from Utilitarianism and Kantian ethics and so is esteemed as a rival ethical theory to normative ethics. It is much criticized by Utilitarian and Kantian ethics. Those who adhere to virtue ethics should be able to answer to the criticisms presented by utilitarian and Kantian ethics. In this paper, I present an explanation on the relation of the virtuous agent to right action, because this explanation allows room to understand how one may be a virtuous person and what are the things that a virtuous person does, this being one of the criticisms thrown towards virtue ethics. I first broadly examine the priority of aretaic evaluation in character trait over normative evaluation in action, because the relation between the virtuous agent and right action can be explained by different views in the priority of aretaic evaluation. I also consider the technical manual model, role model, and developmental model and suggest that the developmental model is the most appropriate as a proper model of being a virtuous agent in virtue ethics. While having argument about a formula about right action in virtue ethics` and a condition “agent knows” on an act`s being done in Nicomachean Ethics.