A museum could not be made at one day. More than at a minimum 10 years, normally 20~30 years, of continuous collection effort and fair capital are needed to build a Private museum. However, because many private museum which are not smooth at the administration and operation after open its door to the public, legal of long-term inside measurement, systematic reform measure and support policy may have to be readied. Private museums in Korea can be divided as, 1. Museum which establish and operate by individual person or company (organization) 2. large enterprise or individual donates capital, museum which establish and operate culture foundation of form. 3. Museum which establish by corporation body (in learned society, society, family memorial, Commemorative Committee etc.) 4. Established museum by special law The most diagnostic point of Private museums in Korea could be that; 1. Specialized 2. Hands-on exhibitions 3. Home-like museum is many. Museum and residing and life space is much institutive case same building or precinct. 4. There are special interest and origin and circumstances of a matter in every exhibition. 5. Infinite development possibility and potential energy are indwelled 6. Usually, founder does business of director, employee, guidance etc. additional job at the same time. 7. Exhibition has various and interest Problem on operation of private museum would be lay down as; About individual establishment private museum which is registered in country, museum need could continue legal device even if founder dies. That is, because country or local government takes charge, way to operate and manage must be examined. Red figures in finance and independence weakness, lack of professional human resources, difficulty of source collection are well known problems. Also difficulty of conservation and administration of Cultural asset can be seen. Government must ready thing such as 'Cultural asset conservation processing guide', grasp data that it is worry of defamation of national treasure and treasures which Private museums are prospering and decay and handle conservation preferentially. Damage of robbery and so on by security equipment unprepared ness is common. Back security equipment support is fancied urgently do large size safe support, police's night round of inspection enrichment, protective device of private museum support policy. Difficulty of data arrangement and PR is another well known problems in private museums. Improvement and activation way of private museum 1. Control of prescribed museum permission regulation by more than 100??. Museum is not large and also, need could register conversion of awareness and law amendment even if head data is not much 2. Groping of various profit business 3. Necessity of governmental budget support policy .For example, with research paper, catalogue, publishing costs of invitation and so on, culture goods production cost, need support policy of field that can do proof data numerical value. 4. Curator system improvement 5. Analysis problem with other law that is connected with museum establishment and operation. 6. Taxes exemption benefit 7. Preserve the government budgets. 8. Service regulation reorganization of related post