Dandruff needs to be treated according to its causes, such as improper cleansing, seborrheic dermatitis, fungal infections, etc., and general treatment or medication should be chosen after a clear diagnosis. 1. Improper cleaning: Excessive daily activities, inadequate head cleaning and hygiene, and inappropriate shampoos can all lead to the phenomenon of particularly high dandruff. This phenomenon does not require special treatment, it is recommended that patients do a good job of local cleaning, the use of appropriate shampoo can be. 2. Seborrheic dermatitis: Seborrheic dermatitis can cause dandruff, pay attention to dietary adjustments, avoid spicy and stimulating foods. At the same time, you can follow the doctor’s instructions to use selenium disulfide lotion, ketoconazole lotion for external use. 3. Fungal infections: Fungal infections can induce ringworm of the scalp, which leads to dandruff. Treatment can be prescribed oral terbinafine, while with ketoconazole ointment and other drugs for treatment. Head dandruff especially many reasons, it is recommended that patients go to the hospital in a timely manner, after a clear diagnosis, follow the doctor’s instructions to choose the appropriate way, not to private treatment, so as not to lead to adverse consequences.