The purpose of this study is to identify characteristic of Swedish modern furniture design through design works made by 8 prominent Swedish furniture designers during the 20th century. The study was completed through literature reviews and searching for web-sites of Swedish distinguished furniture companies. 8 furniture designers, eg. Erik Gunnar Asprund, Carl Malmsten, Josef Frank, John Kandell, Mats Theselius, Bruno Mathsson, $AA$ke Axelsson and Yngve Extr$ddot{o}$m were selected to identify the characteristics of Swedish modern furniture design. The results are as follows: 1) they pursuit simple and functional design beyond time. 2) they pursuit functionalism modified with Swedish traditional craftsmanship. 3) natural wood is considered as the most beloved material for the furniture together with other natural materials such as hemp, leather and cane. 5) easy maintenance and durability of the furniture are considered as important factors to make it last long. 6) ecological concept is fulfilled to meet environmental legislation.