1. Wash and peel pears. Remove the pear core to avoid the sour taste of the boiled pear water.
2. Cut the processed pear into hob blocks.
3. Add the right amount of water to the pot. When it's almost boiling, put the rock sugar in and heat it on low heat until it melts.
4. After the crystal sugar melts, put the pear pieces in.
5. After the fire boils, simmer for about 15 minutes.