Duiyun Huayu Pill is suitable for people with symptoms of cataracts, blurred vision, eye pain and tearing caused by wind-heat upward disturbance, and is to be used in accordance with the doctor’s instructions. Duiyun Yaochu Pill is a proprietary Chinese medicine which is composed of wood sorrel, snake metamorphosis, cicadas metamorphosis, thorns, mimulus, tribulus terrestris, chrysanthemum, yellow rhizome, dicotyledonous bark, peppercorns, kozogoninosus, cranberry seeds, mint, angelica sinensis, rhizoma ligustici chuanxiong, smallpox pollen, and licorice as the main ingredients. This drug is suitable for the treatment of cataracts of the eyes caused by upward disturbance of wind-heat (symptoms of black eyes with starry cataracts, hidden astringency and tears, itching and astringency and discharge of mucus, and blurred vision), blurred vision and hidden pain and tears. This product should be contraindicated in people who are allergic to this product as well as pregnant women, and should be used with caution in people with spleen deficiency and loose stools. Avoid smoking, alcohol, spicy and stimulating food during the use of the drug. Adverse effects of the drug are not known. The specific use of the drug should be carried out under the guidance of a specialist, and should not be used without authorization, so as not to delay the condition.