There is no clear rule on what water is good to boil for dry cough in babies. Dietary advice dietary situation, but diet can not replace the drug. Cough serious need to consult a doctor in time, clear cause targeted treatment. Baby dry cough, may be dry climate or allergies and other factors related to the advice to avoid contact with allergens. Drink plenty of warm water, eat a light diet, easy to digest, do not eat spicy stimulating food and allergy-prone food. In addition to dietary adjustments, indoor humidity should be maintained at a certain level, not too dry. It should be reminded that there are many reasons for the baby dry cough, general care is only one of the aspects, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease, under the guidance of the doctor to carry out regular treatment, to avoid blind use of drugs.