Dandruff like snow is often the cause of seborrheic dermatitis, tinea capitis, psoriasis and other reasons, and its treatment includes general treatment and drug therapy and other methods. 1. Seborrheic dermatitis: at this time the patient’s head oil secretion is too exuberant, which may lead to an increase in dandruff, you can intervene by timely washing of oil, adjusting lifestyle habits, etc., and you can also assist in the use of selenium disulfide shampoo, ketoconazole shampoo shampoo, and topical calcium-modulated phosphatase inhibitors such as tacrolimus ointment and other medications. 2. Tinea capitis: when the fungus infects the scalp locally, it will affect the local skin metabolism, resulting in excessive dandruff. At this time, we should pay attention to scalp hygiene, wash hair diligently, pay attention to personal hygiene, avoid sharing personal items with others. At the same time give antifungal treatment, such as external miconazole, clotrimazole ointment, oral itraconazole, terbinafine and other drugs. 3. Psoriasis: When psoriasis occurs in the scalp, it may lead to more dandruff, at this time you can use glucocorticoid ointment such as fluticasone propionate ointment, halomethasone and so on to smear, you can also use coal tar, salicylic acid and other drugs. If necessary, drugs such as Avitamin A and methotrexate can be taken orally in combination. When the patient appears dandruff under the snow like symptoms, need to consult a doctor in time, under the guidance of the doctor to clarify the cause of the disease, and carry out targeted treatment. The drugs mentioned above need to be used in accordance with medical advice.