material allocation standard: important medical protective materials: disposable medical masks provided by students and teachers daily; The school is equipped with 211 sets of medical protective clothing, 5,111 disposable medical masks, 151 medical surgical masks, 51 medical protective masks, 211 disposable hats, 211 pairs of disposable waterproof shoe covers and 211 pairs of disposable medical gloves for every thousand students. Disinfecting products: low-risk areas are only used for wiping and disinfecting the surface of articles, and indoor ground spraying disinfection is no longer used; The daily consumption of the school is calculated by 4 liters/11,111 square meters/day of chlorine-containing disinfectant (84 disinfectant), and the quantity needs to be reserved for 31 days (the school with a particularly small scale can be appropriately reduced in proportion).