There is no research on the harm of cicada molt boiled in water. Cicada molt boiled in water has the effect of transmitting rashes and clearing the throat, dispersing wind-heat, reducing cataracts and brightening the eyes, and dispelling wind and relieving spasm (treating spasm and other symptoms by dispersing wind evil). Cicada molt belongs to the dispersal of wind-heat medicine in the antidote medicine, for the cicada family insects black grasshopper shells shed during the plumage of waking insects. Cicada metamorphosis is sweet and cold in nature. It belongs to lung and liver meridians. Cicada metamorphosis has the function of dispersing wind-heat, relieving pharynx, transmitting rashes, brightening eyes and reducing cataracts (improving eyesight and blurred vision), and antispasmodic. It is used in treating wind-heat cold, sore throat and hoarseness, impenetrable measles, itching of rubella, redness and cataract of the eyes, convulsions and tetanus. Cicada methysticum should be used with caution in pregnant women. The adverse effects of Cicada Shell are not known. If necessary, please use under the guidance of a professional Chinese medicine practitioner.