Xylene is very harmful to the human body, xylene has moderate toxicity, as follows: 1, xylene acute poisoning: inhalation of higher concentrations of xylene in a short period of time, there are obvious symptoms of irritation of the eyes and upper respiratory tract, such as congestion of the conjunctiva and pharynx, dizziness, headache, nausea, chest tightness, weakness of the limbs, blurred consciousness, staggering gait, and in severe cases, agitation, convulsions or coma, there will be hysteria-like episodes of Symptoms; 2. Chronic xylene poisoning: neurasthenia syndrome can occur, women can lead to abnormal menstruation, and skin contact can occur with dry, cracked skin and dermatitis. Patients with long-term exposure to xylene are advised to wear some protective appliances, such as filtered anti-toxic masks, chemical safety goggles, and anti-toxic permeation overalls. After work, you should shower and change clothes and pay attention to personal hygiene to prevent the harm of xylene to human body.