Oily hair is mostly caused by vigorous metabolism and seborrheic dermatitis, which can be solved by diet, medication (such as B vitamins, salicylic acid ointment, etc.), and living habits. 1. Diet: when patients often eat more greasy, spicy and stimulating food, the sebaceous glands in the scalp area will secrete more oil, resulting in fast hair oil. Therefore, patients usually need to drink more water, light diet, eat more vegetables and fruits, eat less spicy and stimulating food, less salt and oil. 2. Drugs: patients can take oral vitamin B, regular use of sulfur soap to wash the head, you can also use salicylic acid ointment or sulfur preparation and other ointment coating, can be very good treatment of head oil. It should be noted that patients who are allergic to salicylic acid are prohibited. 3. Lifestyle habits: patients try not to stay up late at night, to ensure adequate sleep, do not over-clean the scalp, maintain a relaxed mood, timely release of their own stress. If the patient’s hair oil symptoms are more serious or continue for several days without improvement, it is recommended to go to the hospital in a timely manner to avoid unauthorized use of medication, to prevent the triggering of adverse consequences.