Polygonatum odoratum Polygonatum needs to be processed before it can be eaten. Common processing methods include Polygonatum sibiricum, Polygonatum sibiricum processed with honey, Polygonatum sibiricum processed with wine, and Polygonatum sibiricum steamed. Among them, Polygonatum sibiricum is a common clinical processing method, which is made by mixing Polygonatum sibiricum with yellow wine and Radix Rehmanniae, and repeatedly evaporating to dryness. Polygonatum sibiricum not only tastes sweet and waxy, but also has strong effects of nourishing yin and benefiting qi. It is often used for chronic cough and thirst quenching caused by yin deficiency and lung dryness (insufficient vaginal fluid in human body, resulting in lung dryness and dampness).