2. Drawing lots is a folk custom in China, and it is also one of the forms of divination. Drawing lots is also a lottery. Write several brands first, then fold them one by one, and then draw them by one or several people. It was first carried out in temples, when the ancients used it to predict good or bad luck. Every signed poem is an allusion, and these poems and allusions were created by ancient literati. The content is rich and colorful, including many theology, literature, history, religion and philosophy.