Cicada sheath refers to cicada molt, which has the efficacy of dispersing wind-heat and dissipating heat (dispersing externally sensed wind-heat evil), relieving the pharynx, and transmitting rashes, etc. It is used for treating wind-heat colds, the first signs of warm illnesses, sore throat and mute voice, and itchy rashes. Cicada metamorphosis has the efficacy of dispersing wind-heat, inducing pharyngeal pain and mute sound, transmitting rashes, brightening the eyes to reduce cataracts (improving vision and blurring of vision), restraining the wind and stopping spasm, etc. It is generally used for the treatment of wind-heat and colds, the onset of warm illnesses, sore throat, mute sound, and impenetrable measles. Cicada metamorphosis can also be used for rubella itching, eye red cataracts, acute and slow convulsions (with dizziness, convulsions, convulsions as the main manifestations of pediatric diseases), tetanus evidence and children’s night crying and restlessness and other diseases. It should be noted that patients who are allergic to cicadas are prohibited from taking it to prevent allergic symptoms such as shock, generalized itching, skin rashes, respiratory difficulties and so on. Pregnant women should be cautious of using cicada molting. Cicada metamorphosis belongs to traditional Chinese medicine, it is recommended that patients consult a doctor before taking medication, under the guidance of the doctor to match the medication, to avoid blind use of medication.