There are many reasons why the face loves oil, such as endocrine disorders, bad habits, seborrheic dermatitis and so on. 1. Endocrine disorders: long-term late night, emotional fluctuations and other behaviors will lead to endocrine disorders, thus affecting the sebaceous gland secretion, especially in the adolescent population, the body’s hormone secretion is more exuberant, can stimulate the skin oil gland secretion, resulting in the face of the love of oil. 2. Bad habits: usually eat greasy spicy, sugary food, or do not pay attention to personal hygiene, do not wash your face, or often stay up all night will stimulate the facial skin glands secretion, resulting in the face of more oil. 3. Seborrheic dermatitis: when suffering from seborrheic dermatitis, there is chronic inflammation of the skin, inflammatory factors will stimulate the sebaceous glands to increase secretion and manifested as oily, accompanied by rash, scales and itching and other uncomfortable symptoms. It is recommended that patients with oily face adjust their habits in time, go to the hospital if necessary, identify the cause, and follow the doctor’s instructions for standardized treatment.