The purposed of this study is to examine the general tendency of the degree of marital commitment and its relationship with marital satisfaction by comparison level , and to find out the factors which affect the marital commitment. For these purposed, a questionnaire was consisted of 35 items, of which 22 questions are for marital satisfaction and 13 questions for the degree of marital commitment(3 of instrumental commitment, 4 for moral commitment , 6 for affective commitment) The analytical methods adopted in this study were frequency, t-test, oneway-ANOVA, Duncan test, and Multiple Regression Analysis. The major findings of this study are follows; 1)The degree of marital commitment is high as a whole. 2)Marital satisfaction affects on the degree of marital commitment significantly. The more Marital satisfaction, the more the degree of marital commitment. 3) The degree of marital commitment is affected by the variables such as age the number of children. husband" job, wives" employment, and marriage type. 4) The factors which ha a especially strong relationships with marital commitment are marital satisfaction husbands" job, and the number of children.