In a marital relationship, power determines which spouse makes decisions, which spouse exerts the most (36) on the other, and which spouse clearly dominates the other. Since money (37) power in our society, the husband’s greater earning power has traditionally given him the (38) in exercising power. When the wife brings home a paycheck of her own, it is likely that she gains more say in family decisions. Many studies have (39) that employed wives do exert more power in family decision . Because working wives have gained (40) serf-sufficiency, they have the option to leave the marriage; that very fact (41) their influence in the relationship. The balance of decision- power in a family is not solely (42) on economic resources. Social class, personality traits, and other (43) play a significant part in the acquisition of power. Upper-and middle-class groups are first to accept marital egalitarianism(平等主义) as a norm. Ibis egalitarianism, in effect, diminishes the impact of economic resources on the balance of power in a marriage. (44) .In lower-class families, the working wife’s income is necessary for survival, but they gain more decision- power. Rank (1982) found that (45) ;Quite the opposite is true for men; (46) , this increasing the gains made by their wives.