Fat Hai Hai, chrysanthemum, cassia seeds have the effect of clearing heat and moistening the lungs (clearing heat to moisturize the lungs), facilitating the pharynx and opening the voice, clearing the liver and brightening the eyes (clearing the liver fire to promote the recovery of eyesight), and clearing heat and detoxifying the toxin (clearing the body of heat and toxicity), etc. However, the three medicinal herbs are limited to the role of tea drinking and do not play a therapeutic role, it is recommended that it is changed to the decoction of the way to take. Disease treatment should be taken under the guidance of a physician. 1. Fat Hai Hai is sweet and cold in nature, belonging to the lung and large intestine meridian. It has the effect of clearing heat and moistening the lungs (removing heat to moisturize the lungs), facilitating the pharynx and opening up the voice, moistening the intestines and relaxing the bowels. It is often used in symptoms such as mute voice with lung heat, dry cough without phlegm, dry and sore throat, constipation with heat knot, headache and red eyes. 2. Chrysanthemum is sweet, bitter, slightly cold, and belongs to the lung and liver meridians. It has the efficacy of dispersing wind-heat, calming liver-yang, clearing liver-heat and improving eyesight (clearing liver-heat to promote vision restoration), clearing heat and removing toxins (clearing heat and toxins in the body). It is often used for wind-heat colds and flu, the first signs of warm illnesses, hyperactivity of liver-yang (liver-yang is exuberant, causing dizziness, vertigo and headache), headache and dizziness, redness and pain in the eyes, blurred vision, carbuncles, swollen and poisonous sores and other diseases. 3. cassia seeds are sweet, bitter, salty, slightly cold, attributed to the liver, large intestine meridian, has a clear liver and eyesight (remove liver fire to promote vision recovery), laxative effect. Chinese medicine tea should be selected according to the body, moderate drinking, and cassia seeds have the effect of laxative, qi deficiency loose stools (feces thin not shaped) should not be used. The role of the drug tea drink is limited, not to the efficacy of the treatment of disease, the treatment of disease need to be under the guidance of a physician to use medication.