“食、色,性也”这句话常被人们解释为饮食及性的人的本能。我们不知道古人的含义是指什么,但这种现代的解释并不恰当。因为,动物进化到人,性行为并非只是为了生殖,也可以说只有一小部分是为了生殖。现代性学研究的结果提示,人类性活动在很大程度上受心理社会因素 “Food, color, sex also ” This sentence is often interpreted as diet and sexual human instinct. We do not know what the ancients mean, but this modern explanation is not appropriate. Because animals evolve into humans, sexual activity is not just for reproduction, it can be said that only a small part of it is for reproduction. The results of modern studies suggest that human sexual activity is largely influenced by psychosocial factors