建国50多年以来,国人的膳食营养大致经历了两个阶段。第一阶段是解放至党的十一届三中全会,历时近30年,在这段时间里,物质供应贫乏,居民只求温饱,也谈不上营养和保健。第二阶段是党的十一届三中全会以来,尤其是进入20世纪90年代,居民从温饱走向小康,一个显著变化是食品供应丰富 Since the founding of the People’s Republic more than 50 years ago, people’s dietary nutrition has generally gone through two stages. The first stage was the liberation to the Third Plenary Session of the 11th Central Committee of the Party, which lasted for nearly 30 years. During this period, the material supply was poor and the residents only beg for food and clothing, nor did they talk about nutrition and health care. The second stage is that since the Third Plenary Session of the Eleventh Central Committee of the Party, especially in the 1990s, when the residents moved from fullness and breadth to well-being, one significant change was the abundant food supply