There is no absolute best treatment for a child’s constant cough. Cough may be caused by infection or allergy, etc. Treatment should be chosen according to the specific cause, such as general treatment and medication. 1. General treatment: pay attention to indoor humidity, maintain air circulation, avoid contact with allergens. Drink warm water to moisturize the throat, eat a light diet, avoid spicy and irritating foods and foods that are easy to allergic to. 2. medication: if the bacterial infection caused by respiratory tract infection, should immediately take anti-infection treatment, such as follow the doctor’s instructions to take amoxicillin clavulanate potassium and other antibiotics; if the baby due to pollen, dust mites, etc. caused by allergic cough, should be away from allergens and take anti-allergy drugs such as loratadine. Children may also have other reasons for coughing, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, give targeted treatment or treatment. The above drugs should be used under the guidance of a doctor.