Brew in hot water, steep 10-15 minutes. Brew in room-temperature water, steep 20-25 minutes. Stir well before serving. Store in a cool, dry place. If storing for a longer length of time, seal and store in a refrigerator at 0-8℃. Infants, pregnant women, breastfeeding women, and children under 12 years old should refrain from consuming this product. And it is not suitable for people with cold, heat, or diarrhea. People who have loose stools should drink with caution.