In the expression “open Pandora’s box,” what does Pandora’s box symbolize?

In the expression “open Pandora’s box,” Pandora’s box symbolizes unexpected troubles. The idiom describes an action that appears manageable but releases many harmful or difficult consequences.

The phrase comes from the Greek myth of Pandora, although the ancient story describes a jar rather than a box. Pandora opens the container, and forces associated with suffering spread into the human world. The modern idiom preserves the basic narrative pattern: one opening causes a chain of consequences that cannot easily be reversed.

The expression is commonly used in journalism, politics, law, science, and everyday conversation. It does not normally refer to a literal container or to valuable contents. Another common mix-up is treating “Pandora’s box” as the original wording of Hesiod’s story; the box version developed through later translation and interpretation.