1. Choose Sydney or Crown pears: When boiling pear water for coughing, it is best to choose Sydney or Crown pears. Such pears are good for moistening the lungs and relieving coughs. Green-skinned pears are not effective in relieving coughs. Try to Don't choose.

2. Choose the right pot: When boiling pear water, you can use a stainless steel pot or a casserole. Try not to choose an iron pot or an aluminum pot, because there is still a lot of iron in the pears. Boiling in an iron pot will accelerate the oxidation of pears, causing the boiled water to turn black.

3. Control the heat: When boiling pears, you need to control the heat. First cook on high heat for 10 minutes, then turn to low heat and cook for 20 minutes. After 20 minutes, you can see that the water inside has It turns dark red. At this time, cook for another 10 minutes, then turn off the heat, and just eat the pears and drink water.

4. Add an appropriate amount of rock sugar: When boiling pear water to treat coughs, be sure to add an appropriate amount of rock sugar, which can effectively improve the taste of the pear water. Pear water alone may stimulate gastric acid secretion. Drinking too much is not good for the stomach. After adding rock sugar, it can neutralize the acidic substances and it will become delicious.