Alcohol disinfection using wipe or spray method, mainly depends on the disinfection of the object, usually for the surface disinfection of the object can be used to wipe the method, and if the air for the elimination of the method should be used to spray. Using the wipe method can use 75% of the medical alcohol, the concentration must be 75%, whether too high or too low can not achieve the role of elimination or destruction of viruses, in the process of wiping should pay attention to wear a good mask and goggles and other protective equipment, because some people will be allergic to alcohol, often due to the reaction of the alcohol, caused by anaphylactic alveolitis or anaphylactic conjunctivitis, which in turn caused the adverse reactions in the human body. Therefore, whether it is wiping or spraying, should bring good protective gear and then go to do the relevant disinfection work, so as not to cause some adverse reactions.