The hospital needs to check the pockets before washing the green coat. Every employee in the hospital has to wear clothes every day. The collar and cuffs are dirty and the chest is often stained with drug stains. Attention should be paid to several aspects when washing white coats: sorting out pockets. Medical staff often have ballpoint pens, signature pens, lipsticks, toilet paper and other items in their white coat pockets. Once these items are mixed into the washing machine, they will pollute the whole clothes. The main washing method is washing at 40 ~ 60℃ for 20 minutes after feeding at low water level, and then washing at high temperature. Gradually cool after rinsing to prevent dead folding from affecting the later finishing.