It is difficult to recognize the state of a human body. In this paper we employ biometrics in order to recognize human behavior. Information obtained form human bodies such as temperature, blood pressure, α brainwave and etc. can be employed to recognize the state of a human body, in other words, the human behaviors. The objective of this paper is to achieve the recognition of the state whether a human is active or relaxed by his biometrics. It is required to recognize the aged person's behavior.