Long white spots may be caused by florid chaff rash, vitiligo, pityriasis alba and so on, which can be removed with miconazole cream, itraconazole, dexamethasone ointment, 0.1% tacrolimus ointment, prednisone and other medicines according to the cause of the disease. 1. florid furosemide: if florid furosemide causes long white spots, you can use miconazole cream, clotrimazole cream and other antifungal ointment under the guidance of the doctor. For the external drug is ineffective, you need to follow the doctor’s advice oral itraconazole, terbinafine and other antifungal drugs. 2. Vitiligo: for vitiligo caused by long white spots, you need to use dexamethasone ointment, mometasone furoate cream and other glucocorticoid ointment under the guidance of the doctor, or 0.1% tacrolimus ointment or 1% pimecrolimus cream and other calcium-modulated phosphatase inhibitors. In addition, patients can also use glucocorticoids such as prednisone and methylprednisolone under the guidance of physicians. 3. White furfury: patients with white spots may also be caused by white furfury, the duration of this disease varies, aggravated in summer, but can be naturally subsided. There is no special treatment for this product, external application of moisturizing cream, 5% sulfur ointment can be. It is recommended that patients with white spots need to consult a doctor in time, and the doctor will choose targeted measures for treatment according to the patient’s condition.