Pimples on the chest are considered to be acne, which can be eliminated through general treatment, medication, physical therapy and other measures. 1. General treatment: Eat a light diet, avoid staying up late, keep the bowels clear, control the intake of sugar and milk, go to bed early and get up early to maintain skin hygiene. 2. Medication: you can use topical vasic acid ointment, adapalene gel, tazarotene ointment, fusidic acid cream and other medications; oral drugs can choose tetracycline, minocycline, isotretinoin, etc., must be used under the guidance of a doctor. 3. Physical therapy: e.g. photodynamic therapy, LED blue light or red light irradiation, intense pulsed laser. If you have acne on your chest, you need to go to a regular hospital in time and follow the doctor’s instructions for treatment.