Abstract of this article: flash marriage is an extremely irresponsible behavior, not only increases the烦恼of one's life, but also brings a lot of harm to oneself and family members. Although marriage is free, the premise is mutual appreciation and understanding each other, rather than just love at first sight. Emotions are not necessarily better with more experiences. Every marriage should be taken seriously, and every marriage is either the beginning of happiness or the arrival of pain. "Flash marriage", as the name implies, means fast marriage and fast divorce. This is not only because the divorce procedures have been simplified. In modern society, divorce can be achieved by reaching an agreement, unlike in the past when it took several years or even more than ten years to resolve. It can be said that the emergence of flash marriage phenomenon is also a result of cultural changes. With the changes in culture and the appearance of big cities...