Sweet, slightly bitter and slightly cold in nature, asparagus powder belongs to the lung and stomach meridian and has the effect of clearing heat and generating fluid, eliminating swelling and draining pus. It can treat fever and thirst and excessive drinking. It is sweet and cold, clearing stomach heat and nourishing stomach yin, while having the effect of generating fluid and quenching thirst, treating febrile illness with fluid injury and excessive drinking, often used together with raw earth and Wu Wei Zi. If late summer and early autumn, the residual heat has not been reduced, lung injury, dry throat and thirst, powdered smallpox is often used with sage and maitong. If the internal heat of Yin deficiency causes irritability and thirst, smallpox powder can be used with yam. Urinary discomfort, thirst, smallpox powder can be combined with sage, poria. This product can clear lung heat, and can moisten the lung dryness, can treat lung heat caused by dry cough with little phlegm or blood in the sputum, often with maitong, raw earth. Asparagus powder has the efficacy of clearing heat and detoxifying, eliminating swelling and draining pus, and is used for sores at the beginning, where heat and toxicity are raging and have not yet become pus, and is often combined with honeysuckle and dahurica.