Formaldehyde poisoning should be sent to the hospital in a timely manner to carry out relevant checks and symptomatic treatment, formaldehyde poisoning patients in the hospital to carry out basic vital signs of the examination, including blood pressure, heart rate, respiration and so on. But also for blood and urine tests, can test blood routine to see formaldehyde poisoning of patients with leukemia to reduce the degree of urine routine to see whether there is no urine protein and other kidney damage performance. In addition, formaldehyde poisoning can also be based on the poisoning of the patient to carry out specialized examinations, formaldehyde poisoning patients will appear eye irritation symptoms, there will be tearing, dry eyes and so on. You can measure visual acuity, check the fundus of the eye there is no damage, formaldehyde poisoning of some patients to check the situation of respiratory damage, you can take a chest X-ray, lung auscultation, etc. to check the situation of lung damage. Formaldehyde poisoning patients to carry out timely treatment, but formaldehyde this poison can not be from the patient’s blood inside the laboratory and know, only through the clinical manifestations to infer formaldehyde poisoning.