In order to ensure normal tea chi ng or der, prote cting st ude nts ' healthy growth, ensuring t hat nati onal (property) is not lost, to pr event or minimize t he occurrence of safety accide nts, foll ow the "prevent, re scue ea ch othe r, e nsure safety and reduce losses" principle, according to the l ocal conditions, make the ma nagement sy stem. 1, t he pri nci pal is the re sponsibility of