Pimples here refers to acne. Old acne can be regulated by paying attention to diet, improving bad habits, etc., and medication is needed if necessary. 1. Dietary regulation: always have acne may be due to long-term bad dietary habits, such as often eat some spicy stimulation, high sugar, greasy food. The sebaceous glands on the face are too exuberant, and the symptom of always having acne will appear. In this case, it is recommended to reduce the intake of spicy and stimulating, high sugar food. 2. Improve the bad habits: such as regularly staying up late, not outdoor exercise and other bad habits, easy to lead to endocrine imbalance, the phenomenon of always long acne. It is recommended to maintain sufficient sleep, appropriate outdoor exercise, etc., to help improve this symptom. 3. Medication: If you still can’t improve after adjusting your general living habits, you can follow the doctor’s instructions to apply medication, such as topical retinoic acid (adapalene gel, tazarotene gel), benzoyl peroxide, antibiotics (fusidic acid, mupirocin ointment), etc. If necessary, you can also combine with oral medication to treat your acne. Oral medications such as isotretinoin and minocycline can also be combined if necessary. It is recommended that patients who always have acne should go to a regular hospital in time to find out the cause of the disease under the guidance of the doctor and treat the symptoms. The medication should be used in accordance with the doctor’s instructions.