1978年党的十一届三中全会胜利召开,是我国社会政治、经济生活的历史转折点,也是我国城镇知识青年上山下乡运动的重大转折点。从那时起,尤其是全国开展“实践是检验真理的唯一标准”的大讨论后,人们开始理智地审视以往走过的历史道路,包括重新认识知识青年上山下乡运动。然而,粉碎“四人帮”后,历史遗留问题堆积如山,积重难返,尚待时日逐步解决。当时, The victory of the Third Plenary Session of the Eleventh Party held in 1978 is a historic turning point in the social, political and economic life of our country. It is also a major turning point in our country’s movement of going up the mountain to the countryside for knowledgeable young people in cities and towns. Since then, and especially after the great debate in the whole country on “Practice is the sole criterion for testing truth,” people have begun to rationally examine the historical path they have taken in the past, including the re-understanding of the movement of knowledgeable youth to go to the countryside. However, after the smashing of the “gang of four,” the problems left over by history remain piled up and are overwhelmed by difficulties, yet the time will be gradually resolved. then,