Abstract: As a half of human sex composition, the females are one of the basic strength in social development and advancement. Without full development of the females, there would have been no complete and full development of human beings. In a certain sense, the existent state of the females serves as a scale to measure social advancement and degree of civilization. The same is true to the law. The advancement of the law can be measured by the females’ social status. The progress of law changes and the characteristics of the law itself can be accurately outlined by shaping the law, assuming the females’ figure and observing their status. From the angle of modernity, the paper is to analyze sex in the law and probe into the cause of the problem and tries to find out a solution.

Key words: modernity, wholeness, differences, equality