The more common causes of excessive oil secretion on the face are genetic factors, irregular life and diet, mental stress and endocrine abnormalities. 1. Hereditary factors: some people face oil secretion is usually related to family genetics, such as parents face oil secretion, the child may also have this phenomenon. 2. Bad dietary habits: If you often stay up late, do not get enough sleep, do not sleep well, or eat greasy, spicy and stimulating foods and sweets, you will also have an impact on your skin’s health, which will stimulate the skin’s oil secretion. 3. Mental tension: If you are often in a state of nervousness, work pressure, may also lead to skin oil secretion exuberant. 4. Endocrine abnormalities: some people due to endocrine abnormalities, androgen secretion is too much, can also lead to face oil secretion. The oil secretion on the face may also be caused by other reasons, specific need to go to the regular hospital, a clear diagnosis, and then according to the situation to regulate.