The fact that your face is always oily may be related to factors such as heredity, endocrine abnormalities, and bad habits. 1. Heredity: Due to the relatively high function of sebaceous glands in some people, the skin belongs to the oily skin type, which will lead to more oil on the face, trunk and other parts of the body, and when there is such a situation in the family, the offspring may also have such a situation, so the oily skin type may be related to genetic factors. 2. Endocrine abnormalities: sebaceous glands are stimulated by sex hormones, androgens and other stimuli, which may lead to an increase in sebum secretion, androgen secretion is more hyperactive for people, the skin will be relatively more oily. Generally after puberty, the face under the action of hormones will lead to increased oil. 3. Bad habits: for long-term late night, excessive fatigue, high-fat and high-sugar diet of the population, may cause sebaceous gland secretion dysfunction, resulting in increased facial oil, high sugar, greasy, spicy food will also stimulate the increase in facial oil. It is recommended that patients pay attention to facial care, often wash their faces with warm water and mild oil-control cleansing foam to reduce the adhesion of facial oil, while patients should also develop good living and dietary habits, choose appropriate skin care products, etc., and consult the doctor in time for any discomfort.