Get up in the morning face is very oily may be due to bad habits and sebaceous gland secretion. 1. Bad habits: If you have a long time to stay up late, do not pay attention to face cleaning, like to eat spicy and stimulating food, good drinking and other bad habits, will stimulate facial sebaceous gland secretion and cause the skin to be oily, in addition, if the excessive cleaning of the skin, but also destroy the skin barrier, damage to the balance of oil and aggravate the face of the oily. 2. Sebaceous gland secretion: Due to individual differences, some people will have oily skin, even if they pay attention to the formation of good living habits, there will be a performance of skin oil. Some endocrine system diseases such as polycystic ovary syndrome can also cause sebaceous glands to secrete abnormally and lead to facial oil. If it is not serious, it can be improved through lifestyle changes. Those who do not improve for a long time are advised to go to a regular medical institution in time to consult with a professional doctor for standardized treatment.