2, boiling water to boil: longan put in a pot, add the right amount of water to boil, boil and then keep 3 minutes, play the role of eliminating bacteria.
3, drain the water: boiled longan drained, turn and stir a few times, due to the high temperature, the skin dry at once.
4, sun drying: then the longan placed on the drying rack, drying under the sun, sunshine for a week's time, it becomes longan dry.