This paper aims to make clear the private lifestyle and interior design of bureaucrats, mainly concerning to the study house “HISUI house” in the novel “JIN PIN MEI”. As a result, next five points become clear: 1) In general bureaucrats are persons of culture and have a public life-style and a mental private lifestyle. The latter is mainly performed in a study. 2) An ideal study house should have nature inside and outside of its room and be purified. They place stationery and antique on the desk and spend spiritual life, appreciating them. 3) They design stationery, furniture and interior to make their spiritual and healthy lives enrich. 4) The term “HISUI” is used for giving the house the meaning of a wish for ageless and immortal life and a desire for productivity and revival. 5) The “Dong po chair” designed and used by Su shì is a chair for health and spiritual calmness. Its motif of the top of the backrest is designed from a legendary plant called “líng zhi” which grows in a sacred place. It seems that the “Dong po chair” is the original model of “Tài shi chair” in the period of Qing Dynasty.