Dendrobium is effective in nourishing the stomach (nourishing the stomach by replenishing the fluid in the stomach), nourishing yin and clearing heat (nourishing the yin essence and clearing heat and evil spirits). Chrysanthemum in water has the effect of dispersing wind-heat, calming liver-yang, clearing liver and improving eyesight (clearing liver fire to promote vision recovery), and clearing heat and removing toxins (clearing heat and toxins from the body). Dendrobium belongs to a kind of traditional Chinese medicine, taste sweet, sex slightly cold, into the stomach, kidney meridian, soak water to drink has the effect of nourishing yin, produce fluids, clearing heat. It can be used to treat the symptoms of heat illness, dry mouth and thirst, or insufficient stomach yin (insufficient yin fluid in the stomach). It is not recommended for those who have not injured their yin in the early stage of warm-heat disease, those who have not been dry from damp-warm disease (warm disease caused by feeling dampness and heat), or those who have deficiency of spleen and stomach (spleen and stomach weakness and cold). Drinking chrysanthemum in water has the effect of dispersing wind, clearing heat, clearing the liver and improving eyesight. Chrysanthemum is also a kind of traditional Chinese medicine, which has a good effect of dispersing wind and clearing heat, so it is suitable for the initial stage of wind-heat cold. Chrysanthemum in water can also calm the liver and improve eyesight, relieve headache and dizziness. Chrysanthemum should be used with caution for those who have a deficiency of qi, cold stomach, reduced food and diarrhea. Dendrobium, chrysanthemum tea drink to play a limited medicinal effect, the use of drugs is recommended under the guidance of a doctor.