The damage to the human body from chemical plants depends on the specific substance. Generally speaking, if the chemical plant has more volatile substances; toxic and harmful substances, the impact on the respiratory system is usually more obvious, such as irritant gases; toxic and harmful gases, when inhaled into the respiratory tract, can cause burns and damage to the respiratory system, showing damage to the lungs, clinical coughing, coughing sputum, breathing difficulties, fever, and even serious respiratory failure can occur. In addition, if some heavy metals and other substances in chemical plants exceed the standard, the impact on the human body is also very serious, such as excessive intake of heavy metals can cause liver, kidney and other organ damage, depending on the type and composition of toxic and harmful substances released by the chemical plant.