It is true that hen has the effect of returning milk, mainly because hen contains a certain amount of estrogen, which can reduce the secretion of milk, so it will have the effect of returning milk. However, there are individual differences, so it is not enough to eat hen meat to achieve the effect of returning milk, but you need to use some medicine if necessary to completely achieve the effect of returning milk. There are also some foods that can return milk, like fried malt, as well as hawthorn, sago, grapefruit, celery, leek and bitter gourd, etc., all have the effect of returning milk. However, in clinical practice, due to different individual differences, each person has different sensitivity to this food, so if you want to return milk, you should use medicine for milk return under the guidance of a doctor.