The main ingredients of Radix Platycodon grandiflorus Cough Tablets are Radix Platycodon grandiflorus, Radix et Rhizoma Polygoni, Radix et Rhizoma Polygoni and Radix Glycyrrhizae, which are cough suppressants and expectorants with good expectorant and cough suppressant effects. Radix Platycodon grandiflorus Cough Tablets can promote the lung, dispel phlegm, facilitate the pharynx, expel pus, benefit the five viscera, tonify qi and blood, and also nourish the five labors and nourish qi, mainly treating cough and phlegm, sore throat, lung pain and pus, chest fullness and dysentery, and abdominal pain. It is used for insomnia and dreaminess, forgetfulness and palpitations caused by disorders of the heart and kidney. It can also treat lung pain and pus, moisten the lung and lower the air, resolve phlegm and stop cough, and mainly treat cough and wheezing and laryngeal paralysis.