What is the home treatment of cough ? thanks

Hard to treat: Cough is a basic reflex that keeps us alive. The airway is the most sensitive part of the body for a reason. It keeps food out of our lungs. When the airway is irritated, there is no way to tell the body to ignore it. If the cause of the airway irritation can be found and treated, that can help the cough resolve sooner. Mucus draining down the throat is a common cause of prolonged cough.