The longitudinal change of vitamin E($alpha$-Tocopherol) content and secretion in transitional milk of 32 Korean lactating women and vitamin E intake of infants was studied 7, 10 and 15 days postpartum, Vitamin E content of the milk decreased at 7, 10 and 15 days postpartum with the respective amount of 784, 633 and 539$mu extrm{g}$/100ml. The average vitaimin E secretion in the milk of mothers appeared 350$mu extrm{g}$/days. The average vitamin E intake in the milk was 3033 and 2424$mu extrm{g}$/day in boys and girls respectively and was 174.7% for infants of the recommended lower limit for vitamin E in infant formular of 0.5mg/100㎉. Vitamin E intake per body weight of infants in the milk were 929.731 and 676$mu extrm{g}$/kg/day respectively.