Haze several major disease-causing factors 1, PM2.5: inhaled into the body will enter the fine bronchi and even alveoli, and can enter the circulatory system through the blood gas barrier, causing diseases including asthma, bronchitis and cardiovascular disease. 2, formaldehyde: long-term inhalation will cause headaches, dizziness, fatigue, sensory impairment, reduced immunity, liver damage, and can appear drowsy, memory loss or neurasthenia, mental depression, long-term exposure to the risk of cancer. 3, TVOC: According to research, when the concentration of volatile organic compounds reaches a certain level, people will feel headache, nausea, vomiting, fatigue, etc., and in serious cases, convulsions, coma, and will harm the human liver, kidneys, brain and nervous system, resulting in memory loss and other serious consequences 4, ozone: strong oxidation, will stimulate the respiratory barrier system, causing inflammation of the respiratory tract, can induce asthma attacks The ozone is a strong oxidizing agent that stimulates the respiratory barrier system, causing respiratory inflammation and can trigger asthma attacks. Western medicine to prevent haze: 1, avoid travel: for patients with respiratory diseases should avoid travel in severe haze days, easy to cause asthma, respiratory distress syndrome, sneezing increased. 2, close the door and windows: close the door and windows, indoor ventilation can be applied to the bath bar (pumping away indoor air), air conditioning (air conditioning purification air function) and other air exchange, but also indoor installation of ionized air purifier. 3, wear a mask: travel with PM2.5 pig mouth mask, general cotton masks, gauze masks can only prevent the spread of droplets, etc. Be sure to choose the standard anti-PM2.5 pig mouth mask, can effectively prevent haze. Chinese medicine anti-haze: Chinese medicine believes that strengthening the body’s ability to resist, focusing on improving the function of the lungs and spleen. The spleen and stomach together is difficult to invade the evil, even if you feel a little haze moisture evil, can also be timely transport and solution. Normally, you can eat some Chinese herbs or foods that can benefit the spleen and lungs, such as lily, barley, rice, millet, red dates, rhizome, white foxglove and so on. Diet is based on tonic (tonic winter), on the one hand, it can increase blood circulation and avoid cold hands and feet, on the other hand, the body’s immune function will also improve, preventing the occurrence of diseases. You can eat some sesame seeds, fish, oyster meat, lean meat, fungus and traditional Chinese medicine such as chasteberry, wolfberry, yellow essence, asparagus, dioscorea, white chrysanthemum and other food or medicine. Ginger and chili that make the body hot are also good choices. If there are symptoms such as dry mouth, painful swallowing, broken mouth and tongue, nosebleed and dry nasal mucosa, it means that the tonic is too much, so the tonic should be moderate, do not supplement the fire. Choose sunny weather, avoid wind and rain, do not exercise too much and cause sweating and wind, and do not suffer from cold due to insufficient exercise, it is better to be warm all over and slightly sweating. In addition to improving internal resistance, you also need to avoid if you can, avoid is not its harm. Specifically, “avoid the sometimes”, appropriate defensive measures, such as opening windows less, wear masks outside, stop morning exercise, direct skin contact with the haze in time after bathing, indoor use of air purifiers, those who have the conditions can even temporarily relocate to places with less haze, better air quality, etc.