Hair is easy to oil is generally no obvious correlation with liver damage, mostly due to the head sebaceous gland secretion, such as endocrine disorders factors, physiological factors such as improper care, poor dietary habits and other factors can appear hair oil. Scalp structure includes hair, sebaceous glands, sweat glands, etc. Sebaceous glands can secrete oil to moisturize the scalp and play a protective role under normal circumstances. When the sebaceous glands secrete too much, it can lead to blockage of hair follicles, greasy hair, etc. Usually there is no direct correlation with liver damage. It may be related to endocrine factors, improper care factors, dietary factors and so on. For example, high secretion of androgen can lead to increased sebaceous gland secretion; prolonged lack of hair cleaning and hot water scalp washing can stimulate sebaceous gland secretion; intake of high-sugar, high-fat, spicy and stimulating food can also promote sebaceous gland secretion. There are individual differences in the causes of sebaceous glands, so it is recommended to go to the hospital for diagnosis.