Its secret depends on duck belonging to waterfowl, the gender is cold cool, suit the person edible that there is hot, suffer from excessive internal heat inside body particularly.

• 对伤寒、痢疾等肠道传染病有预防作用。夏天人易疲劳、困倦不适等，多吃点醋，很快会解除疲劳，保持充沛精力。