If you inhale irritant gases such as chlorine, it can cause airway damage, chemical bronchitis, i.e., sterile inflammation, resulting in symptoms such as coughing, chest tightness, and dyspnea in patients, and may even cause permanent damage to the airway, leaving complications such as bronchodilation, so you should give prompt treatment after inhaling chlorine gas. Once inhaled chlorine gas, the following treatment should be done: 1, remove from the scene, avoid continuous or repeated inhalation of irritating gas. 2, give intravenous application or inhaled bronchodilator, reduce airway spasm, improve the symptoms of dyspnea. 3, inhaled glucocorticoid, reduce airway inflammation, if necessary, intravenous or oral hormone therapy. 4, if combined with bacterial infection, give anti-infective treatment, and at the same time, according to the If bacterial infection is combined, give anti-infection treatment, and at the same time give oxygen therapy measures such as oxygen inhalation to correct hypoxia, and give other symptomatic support treatment.