Aluminum phosphide is safe in dry environments, but in humid environments it reacts with moisture in the air and can release phosphine, which can attack the central nervous system, the respiratory system, and several organs throughout the body. The phosphine generated by aluminum phosphide and moisture in the air affects cellular metabolism. Violation of the nervous system can result in symptoms such as impaired consciousness, convulsions, and cerebral edema. Violation of the respiratory system can cause coughing, chest tightness, dyspnea and other symptoms. There are also multiple organ function damage such as myocardial damage, liver damage, gastrointestinal damage. Phosphine poisoning should be immediately transferred to fresh air, change clothes and rinse the skin with water, and promptly sent to the hospital for treatment. Do not take care of it by yourself to avoid more serious consequences.