1. pear cream sugar: peel and core fresh pears, add appropriate amount of crystal sugar, steam and mash them into mud, and take 1-2 times a day. Pear has the functions of moistening lung, relieving cough, clearing away heat and toxic materials, and has certain relieving effect on children's cough.

2. Lily honey water: Lily has the effects of clearing the heart and calming the nerves, moistening the lungs and relieving cough. Boiling water with honey can effectively relieve children's cough.

3. Sydney tremella soup: both Sydney and tremella have good lung moistening and cough relieving effects. Cook them together into soup, which is delicious and healthy.

4. Honey lemonade: Honey has the functions of moistening lung, relieving cough, resisting bacteria and diminishing inflammation. Lemon is rich in vitamin C, which can enhance immunity. Mixing them in warm water can relieve children's cough to some extent.

5. Walnut black sesame porridge: Walnut and black sesame have the effects of nourishing yin and moistening dryness, moistening lung and relieving cough. Grinding them into powder and adding them to porridge can relieve children's cough to some extent.

The above dietotherapy methods can be selected according to the child's taste and physical condition, but if the child's cough is severe or persistent, he should seek medical advice in time to avoid delaying the illness.