Which is the best medicine for clearing lung heat?

At present, there is no data on which Chinese patent medicine for clearing lung heat is good, but common drugs include Lingyangqingfei Pill, Xiebai Powder, Qingfei Yihuo Pill, etc. 1. Lingyangqingfei Pill is mainly composed of antelope horn powder, radix paeoniae rubra, radix isatidis, forsythia, honeysuckle and other drugs. It has the effect of clearing heat, cooling blood and detoxifying, resolving phlegm and calming wind. It can be used to treat cough caused by lung heat, phlegm heat, shortness of urine, dry stool, etc. 2. Xiebai Powder is composed of cortex lycium bark, mulberry bark, licorice root and other drugs. It has the effect of clearing lung heat, relieving cough and asthma, etc. It can be used according to medical advice to treat symptoms such as excessive lung fire, lung heat, skin steaming and heat. 3. Qingfei Yihuo Pill is composed of scutellaria baicalensis, gardenia, rhizoma anemarrhenae, fritillaria thunbergii, phellodendron bark and other drugs in most cases. It has the effect of clearing lung heat, relieving cough and resolving phlegm. It can be used according to