地下粮仓存贮粮食是北方山区一种比较常见的方式，为达到灭鼠和杀虫目的，常用高效粮食熏蒸剂磷化铝或磷化钙对贮存粮食进行熏蒸，但由于地下仓库密闭性能好．熏蒸粮食后磷化氢（H3P）气体难以排出，增加了从事粮食熏蒸的工作人员（保化员）接触H3P的机会和时间，其身心健康造 Underground granary storage of food is a common mountain north of the way, in order to achieve the purpose of deratization and insecticidal, commonly used high-performance food fumigant aluminum phosphide or calcium phosphide to store food for fumigation, but because of the underground warehouse closed performance. It is difficult to discharge the phosphine (H3P) gas after fumigating the food, which increases the chances and time for the staff engaged in food fumigation (H3C) to contact with H3P, and their physical and mental health