In 1982, when he convened the XII Congress, the political situation forced Dang to bring the corrected old cadres to the Politburo and the leadership agencies, and at the same time, there were also a few young cadres. into those agencies. That is the first step of rejuvenation. Cat sewing mends the soul poster. But Deng saw that the leading member of the XII Congress was still old, so he decided to convene a conference of delegates between the two meetings, a key point to solve the rejuvenation problem. In 1985, convened that special conference, someone said it was the old replacement conference that had never been in history.