There are two kinds of safety training for safety management personnel of hazardous chemicals, one is that initial training needs 72 hours, and the other is that re-education training needs 20 hours every year. There are two kinds of safety training for the main persons in charge of hazardous chemicals, one is that the initial training needs 48 hours, and the other is that the re-education training needs 16 hours every year. Safety training shall be uniformly trained by the municipal safety supervision and management department, and evidence shall be obtained after passing the examination.