Bad habits, seborrheic dermatitis, scalp furuncle, ringworm and other factors may lead to increased dandruff symptoms, need to clarify the cause of the treatment, there is no absolute “fastest and most effective” way to remove the common treatment drugs are selenium disulfide lotion, ketoconazole lotion and so on. 1. Bad habits: High-fat diets or long-term non-shampooing and other bad habits may lead to increased dandruff. Patients are advised to wash their hair with lukewarm water and keep their scalp and hair clean and dry. 2. Seborrheic dermatitis: it may be related to malassezia, sebum level and other factors, manifested as chaff-like dandruff. Patients can use shampoo containing tar, zinc pyrithione or ketoconazole to wash their hair, and if necessary, use tretinoin, mometasone furoate and other hormones of the drops or ointment treatment. 3. Scalp chaffing: scalp infections, environmental factors and other factors may lead to scalp chaffing, and the emergence of diffuse dandruff, with the combing of hair like snowflakes fall. You can use ketoconazole, selenium disulfide shampoo and other drugs to wash your hair, and use topical capotriol application for treatment. 4. Tinea capitis: It is caused by dermatophyte infection, which can be manifested as itchy scalp, hair loss, scaly skin lesions and other manifestations. Itraconazole, terbinafine and other drugs can be taken to treat, can be supplemented by local application of clotrimazole, miconazole and other antifungal drugs. Increased dandruff may also be caused by other reasons, such as psoriasis, etc., and can be treated with topical vitamin D3 derivatives and vitamin A acid drugs. If the patient in addition to scalp psoriasis manifestation, the whole body also appeared scaly plaques and other symptoms, but also under the guidance of the doctor application of immunosuppressants, such as methotrexate, cyclosporine, etc., and at the same time, combined with physical therapy, such as short-wave ultraviolet irradiation and so on. It is recommended that patients seek medical treatment in time, after clarifying the cause of the disease, avoiding the use of private medication, so as not to delay the condition.