2. Put Dendrobium in a thermos cup, then pour it into boiling water of about 60C, and then cover it. Office workers can soak a glass of Dendrobium water when they go to work in the morning and replenish water at any time during the period. After work in the afternoon, they will drink the water and take out Dendrobium to eat. Just drink once a week. Women can choose Dendrobium candidum to soak in water with common medicinal materials such as American ginseng, medlar and candied dates.