《周易》反映西周以前社会生活的史料极为丰富。在婚姻方面，记录了男娶女嫁、一夫一妻制、畜妾和婚禁制度。载录了古代婚姻过程中的窥观、求婚、定婚、送聘礼、迎娶、哭嫁、祭祀完婚等特有风俗。还反映了当时人们已熟悉生育现象，如多年不孕、孕而不育、产妇分娩等，并掌握了一定的生育知识。 The Book of Changes reflects the rich historical material of social life before the Western Zhou Dynasty. In marriage, male marriages, monogamy, wives and marriages were recorded. Contains the peculiar customs of the glimpses, courtesies, marriages, dowry gifts, marriages, crying marriages and sacrificial betrothal in ancient marriages. Also reflects the people were familiar with fertility at the time, such as years of infertility, infertility and pregnancy, maternal childbirth, and mastered a certain degree of reproductive knowledge.