Radiographic findings of the chest of toxemia in pregnancy and septicemia are observed during 4 years period from Jan. 1968 to Dec. 1971. There were 930 cases of toxemia in pregnancyand 14 cases of septicemia encountered among the total deliveries of 8295 cases in Ewha Womans Univ. Hospital, Seoul, Korea. 1. The incidence of tioxemia of pregnancy was 11.2% and that of septicemia was 0.2%. 2. Abnormalities of the chest roentgenogram of toxemia are analysed as cardiomegaly with pulmonary congestion and edema, and other cases indicate 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.