Together, the characters literally paint a picture of “hundreds of ruined things waiting to flourish again.”
The concept of 百废待兴 is deeply woven into the fabric of Chinese history, which is marked by dynastic cycles of collapse and reconstruction, devastating wars, and large-scale natural disasters. The idiom reflects a collective cultural memory of picking up the pieces and rebuilding society from the ground up. A prime modern example is the period following the Cultural Revolution. In the late 1970s, when Deng Xiaoping initiated the “Reform and Opening Up” (改革开放 gǎigé kāifàng), China's economy, educational system, and social structures were in a state of profound disarray. The entire nation could be described as 百废待兴. The term captured the monumental task ahead but also the immense potential and national will to create a new future.
百废待兴 is a formal idiom but is understood and used in various contexts, from official reports to metaphorical personal situations.
The connotation is generally neutral-to-positive. It acknowledges the severity of the problems but inherently looks forward with a “let's roll up our sleeves” spirit.