2. When you get home, dry it with a paper towel (it is best to rinse it with clear water first) and put it in the refrigerator for two hours. Time cannot be too long or too short. It's hard to cut it after a long time.

3. Cut the lemon on the clean fruit board with a cutter, and then cut the lemon into 15 to 20 pieces. This process should be quick, and then put it in a covered fresh-keeping box.

Put it in the freezer of the refrigerator. When necessary, use boiled water to cool or directly use mineral water (pure). It is recommended to use half a glass of water for each glass of water. If you use a kettle, you can put one or two pieces.

5, you can add honey or rock sugar to taste.

6. Don't use overheated blisters, it will lose the fragrance and nutritional value of lemon. In summer and autumn, this method can make you drink delicious lemonade for half a month.