Hard pimples on the chin, usually common acne, can be improved by topical drugs, oral medication, physical therapy, etc., please follow the doctor’s instructions. 1. Topical medication: For hard pimples on the chin, patients can use topical benzoyl peroxide gel, fusidic acid cream, azelaic acid, adapalene gel and other medications for topical application. 2. Oral medication: acne with obvious inflammation can be combined with oral doxycycline, minocycline, isotretinoin and other drugs for treatment. 3. Physical therapy: when the effect of drugs is not good, can be combined with red and blue light, photodynamic therapy, etc., in order to reduce the inflammatory reaction, to achieve the purpose of treatment. It is recommended that patients follow the doctor’s instructions to standardize the treatment, not blindly self-medication. During the treatment period, avoid squeezing the acne with your hands.