Mulberry leaves after frost to make tea to drink has a certain lung moisturizing, clearing the liver and eyesight (clear liver fire to promote vision recovery) and other effects. Mulberry leaves after the first frost is called frost mulberry leaves, cold in nature, sweet and bitter in flavor, belonging to the lung and liver meridians. It has the effects of dispersing wind-heat, clearing lung and moisturizing dryness, and clearing liver and brightening eyes. It is mainly used for the treatment of wind-heat cold, slightly evil wind-cold, headache, lung-heat cough, eye redness and swelling pain, eye blurred, blurred vision, and so on. Frost mulberry leaves tea drink has a certain evacuation of wind-heat, clearing the lungs and moistening dryness, clearing the liver and brightening the purpose of the efficacy, often used with chrysanthemum. Generally, the active ingredients of mulberry leaves decoction can be completely analyzed. If you want to achieve therapeutic effect, it is recommended to pair with other drugs. The adverse effects and contraindications of this product are not known. If you need to use the drug, should be used under the guidance of a doctor, do not blindly self-medication.