In ancient times, men are labor and soldiers, women can do only light manual labor, so women's first job is to be homemakers. In the modern society, men and women engaged in are light manual labor. Women and men have the same work ability, so now women's first job is not housewife. Because women care and gentle, so in doing housework and taking care of the children have more advantages than men, this is also the inevitable. In ancient times, men are labor and soldiers, women can do only light manual labor, so women's first job is to be homemakers. In the modern society, men and women engaged in are light manual labor. Women and men have the same work ability, so now women's first job is not housewife. Because women care and gentle, so in doing housework and taking care of the children have more advantages than men, this is also the inevitable.