Chlorine inhalation poisoning, the patient will first appear mucous membrane irritation symptoms, such as the conjunctiva of the eyes, the mucous membrane of the nasal cavity, the mucous membrane of the respiratory tract will have a burning sensation, burning sensation, the patient will have nausea, vomiting, acid reflux, heartburn, abdominal pain of varying degrees of symptoms, there will also be a vomiting of blood, or even blood, such as blood and other serious symptoms of poisoning of the digestive system. In the respiratory system, patients may cough up sputum, and in severe cases, cough up pink foamy sputum, accompanied by dyspnea. In addition, there will be different degrees of circulatory symptoms, such as chest tightness, shortness of breath, palpitations, pressure pain in the precordial area, and in severe cases, neurological symptoms such as dizziness, headache, and so on.