To prevent the recurrence or infection of ringworm, the clothing worn by the patient should be disinfected to kill the ringworm fungus that is parasitic or attached to the clothing, and also pay attention to indoor disinfection and personal hygiene, as follows: 1. Household indoor disinfection: regularly disinfect and sterilize the room, buy disinfectant solution and mix it into a solution according to the instructions to routinely disinfect the room, which is good for sterilization and avoid infection to The disinfection of clothes: The clothes worn by ringworm patients should be scalded with boiling water to kill the fungus and achieve the disinfection requirement.