Formaldehyde poisoning generally requires drinking more water and replenishing fluids to promote the discharge of harmful substances from the body. In addition, according to the different symptoms to do the appropriate treatment, if formaldehyde irritates the eyes, there is eye stinging, dry eyes symptoms, you can drop some eye drops to prevent infection, can relieve the symptoms. If there is dry nose, dry throat and sore throat, you can drink more water and take oral laxative Chinese medicine and proprietary Chinese medicine to relieve the symptoms. If an irritating cough or shortness of breath occurs, you can use anti-cough and asthma medications. If laryngeal edema and pulmonary edema occur, glucocorticoid injection is necessary to eliminate local inflammatory edema, and anti-allergy drugs can also be added. If the skin is exposed to formaldehyde gas and generalized urticaria occurs, intravenous diphenhydramine or oral loratadine can be used for anti-sensitization treatment, but if serious symptoms occur, with shock, hypotension or coma state, relevant resuscitation treatment should be carried out immediately.