This book is a research paper targeting Sŏwŏn(書院).Family Sŏwŏn(門中書院) was public confucian academy organization which converted from private family organization.This was connected force of family with social structure in public, and was more symbolic than any other family instruments. Family organization and Munjunghwa(門中化) were ethnic coping means of maintaining and strengthening their conventional status responding changes of country communities, radical limitation and contradiction of feudal ruling system in 18th ~ 19th century.