The root of Chinese goldthread, for instance, is considered "cold" and can relieve internal heat, while ginger duck is considered "hot" and a fortifying dish in the winter. Certain foods are also said to "cross" with other foods and to produce a harmful effect when eaten together.
此外，食物也有相衝之說，例如蜂蜜不可和毛蟹一起食用，「有毒！」而中國人也把水果分為「冷、熱」之性，如橘子性冷，胃不好的不能多吃；荔枝屬熱，吃多了容易上火……。