Clinical disinfectant used, can be divided into two categories, one is mainly used to deal with human skin, mucous membranes, can be in direct contact with the human body, such as medical alcohol, iodophor, hydrogen peroxide, etc.; the other is mainly used to deal with the medical equipment, diagnosis and treatment of the environment, because of its stimulation or corrosive, generally not directly used for the human body, such as formaldehyde, Lysol, etc..
But this is not absolute, for example, the former can also be used for equipment, environmental treatment, if necessary, the latter use a low concentration can also be used to deal with the human skin.