When there is an external injury, the first action people think of is to disinfect the wound, which is a very correct decision. But have you chosen the right disinfectant? The first disinfectant that many trauma patients think of is alcohol. Opening the alcohol bottle cap and pouring it onto the wound, the more painful it feels, the more thoroughly it disinfects. However, this is not the case. Alcohol is indeed a very good disinfectant, with an effective disinfectant concentration of 75%. If it is too low or too high, it will seriously affect the disinfection efficiency. However, alcohol is also a disinfectant that does not distinguish between friend and foe. It not only kills pathogenic microorganisms, but also does not spare "friendly" organizations. It can be said to kill one thousand enemies and self harm eight hundred. Alcohol damage to self-organization can also cause corresponding tissue reactions, affecting subsequent wound healing and scar formation. So, how to choose disinfectant for daily wound treatment? Generally speaking, alcohol disinfectant is suitable for disinfecting skin without skin damage, such as disinfecting the surgical area in plastic surgery and facial surgery, disinfecting hands in daily life, and so on; For wound disinfection, we can choose iodine disinfectant, which has the advantages of low irritation to the wound, high disinfection efficiency, and significant effect. (New Society)