The skin is white after the ringworm has healed, mainly due to the hypopigmented spots after the inflammation has subsided, which is usually not treated at this time, the skin can slowly return to its normal color. If the skin is still white after a long time, you need to have a Wood’s lamp examination or a skin CT examination to see if it triggers vitiligo, which is generally rare. In the treatment of ringworm can be applied Terbinafine Hydrochloride spray, Terbinafine Hydrochloride ointment to treat. If it is more serious, you can take itraconazole capsules orally, two capsules every night, or terbinafine hydrochloride tablets, two capsules a day and night. For conditions like whitening, if you want to intervene, you can apply tacrolimus ointment for treatment.