The key role for information technology of museum in the time of culture war and information war is to provide good contents. The meaning of information technology is not that data yielded by paper are saved through computer memory but that we should approach it in the field of yielding of information for providing people with useful information. In other words‘ the information technology of museum should be done by Internal Function to control efficiently museum data and Service Linkage to service outside data yielded. There are a few of obstacles for the information technology of museum in Korea. First, CEOs and principals are not feeling uneasy in the information technology. Second, it is mannerism of information production resulted from unawareness in the process information. Third, a small budget and short period in business can not make a good quality of information. For solving these problems CEOs and principals should have in mind about information technology. To service a high quality of information is key point for success in the information technology. The database is essential as the base work for yielding good contents. The database and data control program for good contents should be proceeded with following registration principle and for using these. Production of base information for database of museum data is elementary work for yielding good contents and servicing good information. Therefore, the service should be considered when each information is yielded. Explanatory data for each data should be concise and clear regarding this information is viewed via computer screen. Second, classification for index should be verified. Folk data is especially repeated at the point of function and should be classified for solving this problem. Third. thesaurus dictionary should be constructed for correctness in index. The thesaurus is parallel terminology and is invented as index technology by nature language for correctness and easiness of index. It is high in the point of correctness but takes long time to construct. 80. when base information is yielded it should be constructed at the same time.