In or der to ensure normal tea chi ng or der, prote cting st ude nts ' healthy gr owth, ensuring t hat nati ona l (property) is not lost, to prevent or minimize t he occurre nce of safety accide nts, foll ow the "prevent, rescue ea ch other, e nsure safety and re duce losses" principle , accor ding t o the l oca l condi tions, make the ma nagement sy stem. 1, t he pri nci pal is the re sponsibilit