Foods that may cause back milk include.
Vegetables: leeks, mushrooms, eggplant, fungus, lotus root, grapefruit.
Grains and cereals: muesli, malt.
Accessories: peppers, Chinese herbs, MSG, onions, ginger, garlic, chillies and other stimulating foods.
deep-fried foods: doughnuts, oil cakes, fried balls, etc.