For ringworm of the scalp, there are usually no small tricks, should be treated by standardized medical means, the effect is generally better. Ringworm of the scalp is a superficial fungal infection of the scalp and hair, which can be divided into yellow ringworm, white ringworm, black ringworm and pustular ringworm according to the different pathogenic bacteria and clinical manifestations. The common pathogenic bacteria in China are mainly Hirschsprungia, rust-colored microsporidium, canine microsporidium, purple trichophyton and broken hair fungus. Ringworm of the head is mainly infected by direct or indirect contact with patients or sick animals, and can be treated by applying medication. First of all, you can take ashwagandha, wash your hair every day, apply sulfur ointment or tincture of iodine externally, and cut your hair every 1-2 weeks; secondly, for the patients whose area diameter is within the range of 3cm and the damage is not more than 3 pieces, you can consider the hair pulling treatment, i.e., you can use the flat-tipped tweezers to pull out the hair from the lesion area and the surrounding area within the range of 3cm up to the root, and apply the tincture of iodine and sulfur ointment locally; moreover, if the septicity is serious, you need to stop using the tincture of iodine and change the application of In addition, if the pus is serious, it is necessary to stop using tincture of iodine, and apply furacilin ointment, and with terbinafine, itraconazole, fluconazole and other antifungal drugs for treatment. For the prevention of ringworm of the scalp, it is recommended to pay attention to hygiene in general, to wash your hair regularly and avoid contact with infectious agents. If you have a pet at home, you need to pay special attention to observe whether the animal has scales, hair loss and other phenomena, once found should be promptly sent to the pet hospital for evaluation, diagnosis and actively take treatment, avoid close contact with the pet before the recovery of the disease.