Dandruff is a product of the metabolism of epidermal cells on the human head. Dandruff can be a symptom caused by physiological factors as well as seborrheic dermatitis, tinea capitis and other diseases. Patients should be under the guidance of the doctor for general treatment, drug treatment. 1. Physiological factors: dandruff can also occur when the climate is dry and excessive use of anti-dandruff shampoos. Patients should drink more water and eat more fresh fruits and vegetables to replenish vitamins and water. In addition, patients should use mild shampoo, usually do not over scratch the scalp with nails. 2. Seborrheic dermatitis: patients with seborrheic dermatitis can use topical hydrocortisone ointment, tacrolimus cream and other topical drugs, which can play an anti-inflammatory role. When the local application of drugs is ineffective, you can also choose to take oral vitamin B2, vitamin B6 and other drugs, can reduce the oil secretion exuberant. 3. Tinea capitis: Tinea capitis can also cause dandruff, mainly manifested as crusty scalp, yellow or white. Patients can use ketoconazole lotion and other drugs to wash their hair. In addition, patients can use topical terbinafine hydrochloride cream, miconazole nitrate ointment and other drugs for local application, serious patients can take oral itraconazole and other antifungal drugs. All of the above drugs should be used under the guidance of a doctor, and patients should not use them on their own, so as not to delay the condition. Patients need to pay attention to, if exclude physiological reasons, should be timely consultation, in the doctor’s diagnosis for appropriate treatment.