Cicada Flower is a kind of Chinese herbal medicine, which is clinically decocted and taken orally. Cicada Flower is effective in dispersing wind-heat, penetrating rashes, quenching wind and stopping spasm, brightening the eyes and reducing cataracts (improving vision and blurring of vision). Cicada Flower, also known as Bug Flower, Crown Cicada, etc., is sweet in taste and cold in nature, and belongs to the lung and liver meridians. It is clinically used in the treatment of external wind-heat, dizziness, sore throat, rash, cataracts covering the eyes, pediatric convulsions (a pediatric disease mainly manifested by dizziness, convulsions and seizures), redness and swelling of the eyes, and nocturnal cries. Taken together with other drugs may react with each other, patients who are taking other drugs should consult a doctor in advance. It is recommended that patients strictly comply with medical advice and exclude contraindications before taking Cicada Flower.