Recurring acne on the chin of a 30-year-old woman is usually due to acne and folliculitis. It needs to be adjusted through improving living habits and diet, medication, physical therapy and other methods. 1. Improve living habits and eating habits: patients usually need to ensure adequate sleep and rest, avoid staying up late, maintain a good state of mind, and usually can be appropriate to carry out some exercise; avoid eating spicy and stimulating food on the diet, and eat more fresh vegetables and fruits as well as drink more water. 2. Medication: If caused by acne, you can apply adapalene gel and fusidic acid cream under doctor’s guidance, and take oral isotretinoin and doxycycline together. If caused by folliculitis, erythromycin ointment, oral amoxicillin capsules and other drugs can be applied under the guidance of a doctor. 3. Physical therapy: the application of red and blue light irradiation, can inhibit the local sebum secretion, relieve inflammatory reaction, promote the decline of acne. It is recommended to go to the hospital in time, the physician according to the condition of the treatment, do not self-medication. The above medications should be used according to the doctor’s instructions.