Bronchitis belongs to the categories of croup and wheezing in Chinese medicine, and Six Gentlemen Soup can be used to treat lung and spleen qi deficiency in the remission stage of croup. Clinical symptoms of Lung-Spleen-Qi deficiency in the remission period of croup include: shortness of breath, low voice, mild croup in the throat, sputum with sparse and white color, spontaneous sweating (involuntary sweating during the daytime, which is aggravated by a little movement), fear of the wind, easy to catch a cold, fatigue, and loose stools with scanty food (thin and unformed feces). It can be treated with Six Gentlemen Soup plus subtractions. Six Gentlemen Soup is composed of ginseng, atractylodes, poria, roasted licorice and tangerine peel. It is mainly used for treating spleen deficiency with phlegm, shortness of breath and cough, white and clear sputum, or vomiting, and loss of appetite. The adverse reactions and contraindications of Liu Jun Zi Tang are not clear. If you need to use Liu Jun Zi Tang, it must be used under professional medical supervision.