Hard pimples on chin can be improved with daily care, medication and physical therapy. Hard pimples on the chin are usually seen in acne, which is a chronic inflammatory disease of the sebaceous glands of the hair follicles. The treatment should be reasonable clean face, reduce the skin surface oil, daily need to regular routine, avoid staying up late, avoid spicy stimulating, high sugar food. Treatment can be prescribed topical retinoic acid ointment, tazarotene gel, benzoyl peroxide gel, fusidic acid cream, etc.; for moderate to severe acne, oral minocycline, isotretinoin and other medications can be prescribed for treatment. If necessary, it can also be combined with red and blue light irradiation, photodynamic and other physical therapy for treatment. If the symptoms of hard acne on the chin appear, please follow the doctor’s instructions for treatment.