Radiographic findings of the chest of toxemia in pregnancy and septicemia are observed during 4 years periodfrom January 1968 to December 1971. There were 930 cases of toxemia in pregnancy and 14 cases of septicemiaencountered among the total deliveries of 8295 cases in Ewha Womans University Hospital, Seoul, Korea. 1. The incidence of toxemia of pregnancy was 11.2% and that of septicemia was 0.2%. 2. Abnormalities of the chestroentgenogram of toxemia are analysed as cardiomegaly with pulmonary congestion and edema (20.7%), and other casesindicate pneumonitis. 3. In the case of septic pneumonia, 57.1% of its patient shows severe form, and in toxemia, 85% shows cardiac and pulmonary involvement in abnormal chest roentgenogram.