1. Rock sugar pear water to treat cough: appropriate amounts of snow pear, rock sugar and water. First wash, peel and cut the snow pear into small pieces.

2. Add appropriate amount of water to the pot, put the pears in and bring to a boil over high heat.

3. Then add rock sugar, change to medium heat, until the rock sugar melts, then turn to low heat and simmer for 20 minutes, then turn off the heat and simmer for about 10 minutes.