Face oil may be congenital factors, may also be endocrine factors, bad habits and diet irregularities and other factors caused. 1. Congenital factors: some people are born with strong secretion of facial sebaceous glands, such as oily skin type people, can also cause the face to be oily. 2. Endocrine factors: if the body’s androgen level increases, it may cause sebaceous glands to secrete vigorously, thus inducing a large amount of facial sebum secretion, appearing face oily situation. 3. Bad habits: If you over-clean your skin, it may lead to damage to the facial skin barrier function, perhaps triggering an oily face. In addition, the daily routine is chaotic, often late at night, irregular life, may also cause face oil. 4. Dietary irregularities: If you often eat greasy, high sugar and spicy food, it may lead to more skin oil, triggering the face oily situation. There are many causes of facial oil, it is recommended to adjust the lifestyle, regular work and rest, balanced diet, easy to improve the situation of facial oil. If you can’t get better after making adjustments to your life, we recommend that you go to the hospital in time to find out the cause and treat the symptoms.