1, cut the longan with a rod one by one, pick out the bad ones and leave the good ones behind.

2, with water to wash away the dust of the skin of longan, when washing, do not be too vigorous, the best water rinse.

3, the water to boiling, and then into the longan 1-2 minutes can be, this is only used to disinfect sterilization, conducive to sun drying. In the sun before you wait until the longan cooled down.

4, covered with gauze to prevent dust, about 3-4 days in the sun, until the longan moisture dry.

5, sealed and stored in a plastic bag, kept in a cool place.