The correct way to use 75% alcohol is to apply and wipe. 1. Apply: take the appropriate amount of 75% alcohol applied to the hands, skin or object surface 1 to 2 times, the role of time lasts 3 minutes. 2. Wipe: Use a clean cotton swab or gauze, dipped in an appropriate amount of alcohol, repeatedly wipe the surface of the object or skin, generally wipe 2 to 3 times. The use of alcohol need to pay attention to: alcohol volatile, the use of timely cover the lid; indoor use of alcohol, the need to open windows in a timely manner to ventilate the room; alcohol is not recommended to spray; alcohol is flammable, the use of attention to avoiding open flames, wipe flammable combustibles before the attention of the power to observe, cool down after the operation; pay attention to the sealing of the storage of the ventilated, cool, dry place.