During the combustion of kitchen gas, the amount of nitrogen oxides will increase rapidly, resulting in a large amount of harmful substances. After inhalation, people will cause lung disease, asthma, bronchitis, emphysema and other diseases, and severe pulmonary fibrosis. The evil. Experts suggest that we should change the cooking habits, do not make the oil temperature overheating, the oil temperature should not exceed 200 °C oil pan as the limit, and must do a good ventilation in the kitchen, the hood in the kitchen to ventilate, smoke ( Harmful gas), always open the range hood during the cooking process, the use of the hood will bring us health!