A simple cough medicine is bergenin tablets. Actually, you don't need to take medicine for coughing. If you feel cold occasionally, that is to say, you catch cold and freeze. Drink a pot of brown sugar Jiang Shui when you sleep at night, and then cover your sweat. Method: Chop fresh ginger into powder, add more brown sugar, pour in freshly boiled water, drink as much as possible at a time, and drink it while it is hot (not hot). It's best to lie under the quilt and drink a lot of sweat. Don't pull the quilt It will be fine the next day! If you get angry and cough, boil the rock sugar and Sydney juice.