This study was designed to investigate calcium intake, calcium excretion, and calcium absorption rate of the college women in Korea. The subjects of this experiment were five healthy college women aged from 18 to 23 years who lived in Seoul. The period of this experiment was two weeks, the first week was spent in having an ordinary diet and the next week for the experimental diet. Two weeks later, the feces of subjects were collected. Results obtained by the present experiment were as follows: 1) The total food intake from the experimental diet daily was about $1600{sim}2000g$. 2) The total calcium intake was about $270{sim}585mg$ and $710{sim}880mg$ for the ordinary diet and the experimental diet respectively. 3) The daily calcium excretion of feces was about $219{sim}295mg$. 4) The calcium absorption rate of subjects was about $60{sim}70%$.