Tinea corporis patients can be disinfected by soaking the bed linen in 84 disinfectant solution, and put it in the sun after washing to disinfect. Ringworm is an infection of the superficial parts of the body caused by dermatophytes. It is usually caused by hot and humid weather, poor hygiene control or contact with pathogenic bacteria, mostly seen in obese, sweaty people, with a certain degree of contagious. The patient’s clothes and bed linen can be disinfected by soaking in 84 disinfectant, cleaned and placed in the sun, the sun contains ultraviolet rays, ultraviolet rays can destroy the pathogenic bacteria, and can achieve a good disinfecting and sterilization effect. It is recommended that patients go to the regular hospital in time, follow the doctor’s instructions to adhere to the medication, active treatment, to prevent recurrence.