The 30s always have acne on the face may be acne, folliculitis and other diseases. 1. Acne: often associated with androgen hypersecretion, excessive oil secretion and other reasons, dietary irregularities, eating too much greasy stimulating food can aggravate the condition; in addition, if the female patients in their 30s, may be combined with polycystic ovary syndrome, which can also lead to recurrent pimples, it is recommended that ultrasound and hormone levels to rule out the disease. 2. Folliculitis: It is an inflammatory reaction caused by bacteria and other pathogens infecting the hair follicles and their surrounding tissues, and patients show red papules with itching and pain. Patients who do not pay attention to clean skin, often scratching, or suffering from diabetes, AIDS and other diseases, can also lead to face acne. It is recommended that patients with acne go to the hospital in a timely manner, after a clear diagnosis and early formal treatment. At the same time, the daily need to eat a light diet, regular work and rest, adhere to exercise, maintain a positive mindset.