Acute bronchitis has a great relationship with smoking, because the nicotine and tar in tobacco will damage the mucosal epithelium of the bronchial tubes, and the resistance of the bronchial tubes will be reduced after the damage of the mucosal epithelium, and the body will not be able to resist the inflammatory lesions if it encounters the stimulation of the cold air and the invasion of the pathogens at this time. Positive smoking cessation has a positive effect on reducing bronchial symptoms and prognosis, and after quitting smoking, lung diseases will be significantly reduced, smoking is also closely related to lung cancer, chronic bronchitis. For acute bronchitis at present to cough expectorant, asthma, infection control mainly, to drink more water, eat more vegetables, pay more attention to rest, avoid excessive exertion, keep indoor air circulation.