BACKGROUND: In order to provide basic data which are necessary for the standard reference of residency training program in family medicine, we analysed of family practice residency program in Korea(the core curriculum) which has 313 items - diseases and problems - proposed by the Korea Academy of Family Medicine. METHOD: Each items of the core curriculum of family practice residency program In Korea were sorted according to ICD-10. They were the mogt compared to common 100 diseases and clinical cases in family medicine department. of a tertiary hospital in one year. The most common 100 diseases were listed according to ICD-10, also. But some items which were difficult to sort were excluded. Eighty eight types of diseases were sorted.7inical data of a tertiary hospital included 9138 cases. RESULTS: Comparing to clinical cases of a tertiary hospital, the core curriculum includes 93.2% cases of family medicine department of a tertiary hospital. Among the 17 fields of the core curriculum, 12 fields were found in about 50% or more among cases of the clinic and 5 fields were in less than 50% Among 88 diseases, the core curriculum includes 78 diseases. 10 diseases were excluded. In the most common 100 diseases, 12 diseases were related to trauma and the core curriculum did not include them. CONCLUSION: Generally the core curriculum included highly prevalent diseases, but did not include some diseases which is important. Revision to make up for the weak points in the current core curriculum may be necessary.