Author has studied 100 subjects of the viral hepatitis who admitted to the department of Gast- roenterology 'of Woo!Sok University Medical College frorn August, 1969 to August, 1971. In this 100 subjects, men were 53 and v:omen 47 in number. Blood collection for liver functiorz tests were performed after an over night fast, The results vvere as follows; Of 100 subject diagnosed viral hepatitis, chronic hepatitis contained 43 subjects (43%), infectious hepatitis 38(38%), cholangiolitic hepatitis 8(8%), nonicteric hepatitis 6(6%), fulminant hepatitis 4(4%) and serum hepatitis 1(1%). 2, Seasonal trend: The most frequent onsets were observed in May and June with 12% and 13% each in frequency. The lowest frequency was observed in January (4%). 3, Age: The most of the cases were noted at 30 to 39 years of age (26%), 4, Sex: The difference between both sexes in frequency was not observed. 5. Symptoms and signs: Upper abdominal pain and discomfort were most frequently complainect of 37% and hepatomegaly were the commomest physical signs 49%. G. Serum alpha-l, alpha-2, beta and gamma globulins were increased and had frequencies of 16%, 21%, 13% and 31% each. 7. Stab, neutrophils were increased in 58% of cases and lymphocytes were also increased in 51% of cases.