There is no clinically effective way to treat dry cough in children. Children’s dry cough is related to dry living environment, inhalation of irritating gases and other physiological factors, usually can be relieved by supplemental water, open windows and ventilation. If caused by acute bronchitis, chronic pharyngitis and other diseases, you need to follow the doctor’s prescription medication to relieve. 1. Physiological factors: when the living environment is too dry, inhaling irritating gases or animal hair, lack of water in the body, etc., can cause children to have a dry cough phenomenon. Usually, it can be relieved by drinking moderate amount of water and opening windows to ventilate the air without other special treatment. 2. Acute bronchitis: the disease can cause children to have irritating dry cough, nasal congestion and other symptoms. Usually, it can be treated with β2 agonists such as salbutamol as prescribed by the doctor. If it is caused by bacterial infection, it can be treated with antibiotics such as amoxicillin. 3. Chronic pharyngitis: the disease can also cause children to have a dry throat, dry cough and other symptoms. Usually patients need to use furacilin solution, 2% boric acid solution, such as gargling, chronic hypertrophic pharyngitis patients can also use 20% silver nitrate solution to cauterize the hypertrophic lymphoid follicles. Dry cough symptoms are usually relieved when the disease is cured. If a child has a chronic dry cough, parents should take the child to the doctor for examination, so as to clarify the disease and then follow the doctor’s instructions to use medication, and prohibit the use of drugs on their own.