Patients with bronchitis are not recommended to eat sweets, bronchitis is mainly the body’s immunity decline, such as by viruses, bacteria, mycoplasma and other pathogens of infection, the mucosa of the tracheal wall has been damaged mucosal congestion, edema, inflammatory secretion exudation, and even the rupture of the capillaries of hemorrhage, which is the barrier of the mucosal wall of the trachea has been destroyed. Eating sweets may aggravate the pathological changes in the tracheal mucosa, and sweets themselves contain high sugar content, which is also a better medium for the pathogens already infected in the tracheal mucosa, and it is likely that more and more pathogens will multiply in the tracheal mucosa and aggravate the condition. Sweets will also reduce the body’s immunity, so it is very unfavorable to the relief of the condition of bronchitis.