Cyathea fern liquor has the effect of clearing heat and relieving cough, dispelling wind and removing dampness (dispelling wind and dampness in the body), which can be used for treating lung-heat cough and asthma, joint pain, etc. It is recommended that patients follow the doctor’s instructions to standardize the use of medication. Cyathea is the nickname of Chinese medicine fly sky destroy, with the stem of Cyathea into medicine, nature flat, slightly bitter, has the effect of clearing heat and relieving cough, can be used for the treatment of lung heat cough, cough and wheezing, can also be used for chronic bronchitis, prevention of influenza, etc.; In addition, it can also eliminate wind and dampness, activate blood circulation and eliminate blood stasis, can be used for rheumatic joint pain, nephritis edema and so on. The adverse reactions and contraindications of Cyathea are not clear, but there is a small toxicity, it is recommended that patients take it under the standardized guidance of the Chinese medicine practitioner’s discernment, and do not blindly self-medication, so as not to cause adverse effects on the body.