Honey helps a cough by lubricating your throat to prevent irritation of your throat which causes the cough.
So by lubricating your throat and reducing the irritation you help prevent yourself from coughing when taking a spoonful of honey.
The honey can also help soothe a sore throat as well and has been used as a home remedy for coughs as well as sore throats for many years.
You take the honey by the spoonful or also take the honey and add a spoonful of honey to some warm tea as the warm tea will also soothe your throat and help with the coughing along with the honey.