Formaldehyde poisoning does not have the fastest treatment method, need to combine the actual situation of the patient, to take appropriate measures, in general, need to get out of the original environment as soon as possible, timely symptomatic treatment, and close observation. 1. Get out of the original environment as soon as possible: formaldehyde can irritate the eyes and respiratory tract, thus triggering conjunctival congestion, sore throat, itchy skin, bronchitis, chemical pulmonary edema, bronchial asthma and other symptoms; in serious cases, it can even injure the central nervous system, and sudden death due to lack of oxygen. Therefore, it is necessary to get out of the toxic environment in time and stay in a place with good air circulation. 2. Symptomatic treatment: For eye and skin contamination, flush thoroughly with water or saline. In mild cases, bed rest, mood adjustment, if necessary, sedatives and appropriate rehydration. In severe cases, early treatment with glucocorticoids and prevention of pulmonary edema may be appropriate. For bronchospasm, intravenous aminophylline is required. If necessary, respiratory support or surgery is also required. 3. Close observation: formaldehyde poisoning is serious, there may be shock, lung infection and other complications, the treatment process should be closely observed, once found that there are complications to be treated in a timely manner. Attention: Formaldehyde is carcinogenic and may cause cancer of nasal cavity and nasopharynx. Those who are severely poisoned should follow the doctor’s instruction and have regular medical checkups. The use of all drugs should be under the guidance of a specialist.