1, you can make kumquat tea. Take a proper amount of kumquat and soak it in light salt water for about half an hour. Then remove the seeds from kumquat, slice it, put it in a cooking machine, add half a bowl of water to break it, and then add a proper amount of rock sugar to cook for about ten minutes, that is, boil all the rock sugar before drinking, which is particularly effective for treating cough.

2. In addition, you can eat kumquat stewed with rock sugar. Take 10 kumquat or 15 kumquat, wash it, insert a few holes in kumquat with a toothpick, and then add appropriate amount of water and rock sugar. After the fire boils, slow fire 1 hour, taken before going to bed, is particularly effective in treating cough. You can take it for a day when you have a bad cough.