In this paper I attempt to open a new horizon in the field of civilization studies by examining the concept of painless civilization from the perspective of the philosophy of biological evolution. Since the space is limited, the priority will be given to the clarification of an overall structure. Modern civilization has created systems that seek “comfort and pleasure” and eliminate “pain and suffering” and has spread them to every corner of our society. It is progressing like a great wave (...) in many developed countries. I have called a civilization advancing in this direction a “painless civilization.” At first glance, the elimination of pain and suffering seems like a good thing. Of course, it is considered good if unbearable suffering (such as the pain of terminal cancer) that we encounter in our lives can be avoided through technology. This is not the problem. The problem is that modern civilization is moving in a direction where various forms of suffering that we might experience in the future are going to be erased from our lives, one after another, through preventive technologies (preventive elimination of pain). ... (shrink)