From the perspective of a low-level man who is forced to be involved in the world of politics, it reveals the dangers of the world of "conspirators" and the complexity of human nature. The main purpose is not to teach people to gamble, but to "anti-gambling" - by describing the gamblers' ruin and the tragic endings of the people in the family, it warns the world: cards are like blades, hurting others and themselves; gambling for a long time has no winner, and this principle remains unchanged through the ages.
