Being the terminology of mind-and-body dualism, "Health" is understood as "having no illness". WHO has broader definition for health. But for the view of lifeology, it must be considered from a view of Local knowledge. So in this paper, I present the concept of folk health which is beyond former two ideas. I use interviews of Christians in Taiwan, and analyze the word Ping-an (平安 peace) which is a synonym of health and is understood as health in the context of Taiwanese religion, so I take it for an example of folk health. I conclude that Taiwanese Christians construct Ping-an with the concept of Biological health, shalom, and the concept of local Ping-an. As the conclusion, I show the practices of choosing the meaning of health in their own way under the influence of broader sense of health than just "having no illness
