Mulberry leaf water on the eyes is effective in clearing the liver and brightening the eyes (clearing liver fire to promote vision recovery), and can relieve eye redness and swelling pain and eye darkness and blurred vision and other conditions. However, the active ingredients of mulberry leaf water are limited and cannot replace medication and play a therapeutic role. Mulberry leaves, the dried leaves of the mulberry plant of the Moraceae family, its effect is to evacuate wind-heat, clear the lungs and moisten the dryness, calm the liver yang, clear the liver and brighten the eyes, is mainly used to treat wind-heat colds, red and swollen eyes, darkened and dimmed eyes, the first signs of warm diseases, dry and hot coughs, coughing with heat in the lungs, headache and dizziness, hyperactivity of the liver yang (liver yang is exuberant and causes symptoms of dizziness, dizziness, headache, etc.), etc.. The adverse reactions and contraindications of mulberry leaves are not clear. It should be noted that patients who experience symptoms such as eye discomfort are advised to go to a regular medical institution for treatment, and mulberry leaves should be used under the guidance of a doctor.