Social demand in consumer behavior. The wedding for postgraduate entrance examination is an activity to celebrate important events in life, which not only reflects the individual's expectation for their own growth and development, but also carries the care and blessing of family and society for their personal life course. The demand for wedding in postgraduate entrance examination is not only the material and spiritual needs of individuals, but also the embodiment of social and cultural values. Postgraduate entrance examination refers to the process of taking the postgraduate entrance examination in Chinese mainland University.