Mulberry leaves in water can clear the lungs. But the efficacy of the infusion is limited, and it can not replace the medication to treat the disease. Mulberry leaves are the dried leaves of the mulberry plant of the mulberry family, sweet, bitter, cold in nature. It belongs to the lung and liver meridian. Its effects are evacuating wind-heat, clearing the lungs and moisturizing dryness, calming liver yang, and clearing the liver and improving eyesight (clearing liver fire to promote vision recovery). It can be used to treat wind-heat colds and flu, the first signs of warm diseases; lung-heat cough, dry-heat cough; hyperactivity of liver yang (excessive liver yang, causing dizziness, dizziness, headache and other symptoms), headache and dizziness; eye redness, swelling and pain, and darkness of the eyes, such as dimming and blurring. Mulberry leaves can clear the lungs and moisten the dryness, because this product is bitter and cold to clear the lung heat, sweet and cold to moisten the lung dryness, so it can be used to treat lung heat or dryness and heat injury to the lungs, coughing phlegm, yellow and thick, or dry cough with little sputum, pharyngeal itching and so on. Mulberry leaves in water can be used to clear the lungs. However, the tea can play a limited medicinal effect, can not replace the drug treatment of disease. After the discomfort should be timely medical treatment, under the guidance of the doctor to choose the drug treatment, not self-medication.