A human body can be called the scale of all things and the most perfect and sensual presentation of form. Its beautiful proportion has been used as the most important measure of all the natural organic beings. The attitude of research based on the human scale is so traditional both in East and West, and especially in the field of architecture. It has been the ground of most standards in various buildings and cities from the ancient times. This study aims to examine the way the human body has been investigated in history and to find out how it is applied and expressed as the scale in architecture or interior spaces. It takes a step forward from mere research of proportion by studying even the emotional and psychological relations between space and human beings. It may contribute to the creation of the space for human beings.