Pinellia ternata is a perennial herb of the genus Araceae. It is one of the commonly used medicines in traditional Chinese medicine. It has the functions of antitussive, dampness, phlegm, lowering vomiting, reducing swelling and dispersing, treating cough, chest fullness, nausea and vomiting. Wide, large amount. Xihe Pinellia has the characteristics of large, white, round, firm, powdery, and high in medicinal composition. It is known as “West and Midsummer” and is favored by users at home and abroad.