1, prepare a number of longan, how much depends on your own needs, the greater the quality, the better, the best kind with thick meat, so that it tastes delicious, fresh longan, the taste is not necessarily sweet, it doesn't matter, anyway, it is sweet after drying.
2, prepare a large pot of water to boil, put the whole string of longan in boiling water, soak the longan and blanch it, which can remove pesticides, the second is sterilization, and the third is suspension. The blanching time can be controlled at 1-2 minutes.
3. Drain the soaked longan and tie it on the hanger. If the person who lives on the top floor has a terrace, it is best to put it in the sun and expose it at night.
4. Generally, if you put it in the open air, it will be done in a week. If you put it in the balcony, the time may be longer, and half a month should be enough. The weather is dry and dry, which is the season of good drying.