Pimples medically refers to acne. Recently, having pimples all the time may be related to endocrine disorders, metabolic abnormalities, bacterial infections, poor diet, excessive stress, and so on. 1. Endocrine disorders: due to hormone level disorders in the female body, hormone ratio imbalance, which may lead to the appearance of acne on the face, may also be accompanied by menstrual disorders and so on. 2. Abnormal metabolism: due to vigorous metabolism in puberty, excessive oil secretion, androgen secretion abnormally increased, resulting in accelerated oil secretion, a large amount of oil clogging pores, may lead to the appearance of the face is always long acne. 3. Bacterial infection: Due to the lack of attention to daily facial hygiene, bacterial infections such as Propionibacterium acnes may lead to the appearance of acne on the face. 4. Poor diet: Due to poor dietary habits, long-term consumption of barbecue, fried, greasy, spicy and stimulating food, may lead to the appearance of acne on the face. 5. Excessive pressure: due to daily life, work pressure, often stay up late, late to bed, irritable, etc., may lead to the face always long acne. Therefore, if the face always long acne should be through life, diet to improve, if no improvement or aggravation of the recommended timely to the hospital, under the guidance of the doctor standardized treatment.