If the oil accumulates in the pores and is not discharged in time, it will cause the hair follicle mouth to be blocked. If there is a lack, it will lead to fat can not be metabolized in time, resulting in oily skin acne. You should pay attention to cleanliness and hygiene, do not eat spicy and stimulating food, such as chili, pepper, etc., avoid contact with chemical irritants, and do not stay up late. You can use salicylic acid or adapalene gel, erythromycin ointment and other treatments under the advice of a doctor, and oral antibiotic medication for serious cases, and also combined with laser acne treatment.