Asarum has a wide range of clinical applications in traditional Chinese medicine

and is mostly used in the treatment of exterior wind-cold syndrome

asthmatic cough caused by phlegm and retained fluid and other diseases in the theory of traditional Chinese medicine. Among them

the chemical constituents of volatile oils are the most important ingredients for their curative effects

and have various pharmacological effects such as anti-inflammatory and analgesic. Through CNKI and PubMed

the literature in the recent years are reviewed; the researches on the main medicinal components of Asarum are summarized and analyzed

and its important effects in the clinical diagnosis and treatment of respiratory system are summarized. At the same time

its two-way effects on the respiratory system are summarized in view of the adverse drug reactions during the drug use in order to provide a reference for the application of Asarum in respiratory diseases such as allergic rhinitis and asthma.