性,是人类本能中最深刻、最强烈,因而也是最本质的活动之一,所以古人云:食、色,性也。但是,事物总是千差万别的,一方面性生活是人类不可或缺的本能;另一方面,由于现代社会各方面巨大的心理压力,使得相当一部分男女渐渐产生了“性疲劳”的现象。据调查,这部分男女 Sex is one of the deepest, most intense and therefore the most essential activities of human instinct. Therefore, the ancients said that food, color and sexuality are the same. However, things are always vastly different. On the one hand, sex life is an indispensable instinct for mankind. On the other hand, due to the enormous psychological pressure on all aspects of modern society, quite a number of men and women have gradually developed the phenomenon of “sexual fatigue.” According to the survey, this part of the men and women