Very oily hair may be caused by genetic factors, long-term bad habits, nutritional element deficiency, skin diseases. It is recommended to pay attention to hair and scalp care, improve bad habits, pay attention to nutritional supplements, for primary disease treatment. 1. Heredity: scalp greasy part of the patient has a family genetic history, such as congenital sebaceous glands developed, sebaceous glands function exuberant, may lead to scalp hair greasy. It is recommended to pay attention to daily care, can be given oil control shampoo. 2. Long-term bad habits: often working overtime and staying up late, consuming spicy and stimulating food, drinking strong tea and coffee may aggravate the secretion of sebaceous glands, resulting in very oily hair. It is recommended to improve bad habits, early to bed and early to rise, light diet, increase water intake, can help improve. 3. Nutrient deficiency: not paying attention to nutritional supplementation, often partial food picky food leading to a lack of B vitamins, may lead to very oily hair. Can give a variety of fresh fruits and vegetables, if necessary, supplement a variety of nutrients to regulate. 4. Skin diseases: such as seborrheic dermatitis, may lead to very oily hair, you can use selenium disulfide lotion or ketoconazole lotion to wash your hair, topical calcium-modulated phosphatase inhibitors such as tacrolimus ointment, pimecrolimus ointment coating. Hair is likely to be caused by physiological factors, it is recommended to pay attention to daily care, improve bad habits, can help improve. If you suspect that it is caused by disease factors, go to the dermatology department of the hospital if necessary to find the cause. The medication should be used according to the doctor’s prescription.