The brow is always acne related to improper cleaning, sebum secretion, endocrine disorders, specifically into the following cases: a. improper daily facial cleaning will not be in place to make oil, cosmetics, dust and other residues on the skin surface, stimulating the skin, clogging pores lead to acne. Second, sebum secretion 1, sebum glands secrete sebum and shed keratinocytes, accumulate in the hair follicles, Propionibacterium acnes proliferate, leading to inflammation. Inside the sebaceous glands of hair follicles, a large number of sebum and pus cells destroy the structure of the sebaceous glands of hair follicles, forming nodules, cysts or powdery tumors. Three, endocrine disorders often stay up late, irregular work and rest, long-term boredom and stress will lead to endocrine disorders, women’s menstrual period will also affect the endocrine and cause acne. In response to the above situation, patients should develop good living habits, eat a light diet, eat more fruits and vegetables to reduce oil secretion. To ensure quality sleep, avoid staying up late, adhere to exercise, maintain the normal state of the body’s hormone levels, and keep the face clean to avoid further acne.