According to the query of Minfukang. com, it is better to put 3 to 5 dried longan soaking water at a time. Dried longan has the effects of invigorating qi and nourishing blood, nourishing heart and calming nerves, and can be used for palpitation, insomnia and dreaminess caused by insufficient heart blood. Dried longan is rich in vitamins, trace elements, etc. It has the effects of anti-aging and beauty beauty, and has a good calming and tranquilizing effect.