1, raw materials: 500 grams of hawthorn, 60 grams of rock sugar, 40 grams of sugar, raw flour 1 teaspoon, appropriate amount of cold water, appropriate amount of hot water at about 70 degrees.

2. Making tools: 1 knife, 1 bamboo stick, 1 cleaning toothbrush and glass bottle.

3. Put the hawthorn in a cold water basin, add 1 teaspoon of raw flour and soak for 10 minute.

4. Clean the floating dust on the surface of each hawthorn with a 1 cleaning toothbrush and pour off the water.

5. Pour the right amount of hot water of about 70 degrees into the pot with hawthorn.

6. Let the boiling water not pass the surface of hawthorn for 2 minutes, and then control the water.