Pre-surgical hand brushing mainly consists of repeated soap and water washing – brush brushing – water rinsing, as well as soaking in disinfectant solution after washing and other steps. 1. Medical staff attending the surgery will first wash their hands and arms once with soap, cleaning up to 10cm above the elbow joint to remove grease and sebum. 2. Using a sterilized brush, dip it into the soap solution and brush the forearms and elbows of the hands again 10cm above the elbow joint. 3. Rinse off the soap solution on the forearms and elbows of the hands with running water, rinse for no less than 3 minutes, and repeat the brushing-rinsing process three times. 4. Using a sterilized towel, dry the hands from the hands to the elbows, rubbing up to 6cm above the elbows. 5. Soak your hands in the disinfectant solution for about 5 minutes to complete the soaking process, while your hands need to maintain an arching posture. Now there are a lot of new disinfectants in the clinic, so there are more and more ways to wash your hands, but the basic steps of hand washing are almost the same, they are the first to wash your hands to the elbow almost 10cm above the elbow, and then wash your hands with different hand sanitizers, but after washing your hands you need to spray your hands and elbows with the disinfectant again.