采用原子吸收分光光度计火焰法测定了济宁市７１种常用食物中锰、锌、铜、铁的含量。结果黄豆、赤豆、黑大米中含锰多于其它食物。动物性食物尤以畜禽肉、内脏等富含锌铜和铁；小麦粉、豆类、豆腐、菠菜、苔菜等植物性食物中也含铁较多。１４种淡水鱼中４种元素含量均少于畜禽类、干豆类及粮谷类食物。 The contents of manganese, zinc, copper and iron in 71 kinds of common foods in Jining City were determined by flame atomic absorption spectrophotometer. The results of soybeans, red beans, black rice, manganese than other foods. Animal food, especially poultry, offal and other zinc-rich copper and iron; wheat flour, beans, tofu, spinach, moss and other plant foods also contain more iron. 14 kinds of freshwater fish in the four elements were less than livestock, dried beans and cereals.