The phenomenon of folk culture adapts to a certain social life. Firstly, it is produced, spread and passed down by material life and corresponding social psychological needs. At the same time, it also plays a corresponding role in social life, that is, it mainly regulates, facilitates and regulates people's social life, so as to consolidate and develop it. Even if some customs lose their original meaning in the future, they can often be preserved in some flexible ways and play a certain role in life to meet people's social and cultural needs. Studying various folk cultural phenomena is helpful to sort out and display social and historical traditions, and to investigate and understand people's real life, concepts and psychology, thus promoting social progress and cultural prosperity and development.