Hard pimples on the chin nodule, consider the possibility of acne, the treatment mainly includes general treatment, topical medication, oral medication and so on. 1. General treatment: pay attention to the skin’s cleanliness, use mild, weak acidic cleaning products to clean the skin. Avoid scratching and squeezing with hands, and develop good dietary habits, which will help the recovery of the disease. 2. Topical medication: Topical medication includes tazarotene, adapalene, benzoyl peroxide, clindamycin, fusidic acid, etc., which can dissolve pimples, anti-inflammatory, and kill Propionibacterium acnes. 3. Oral medication: Oral medication should be applied under the guidance of a doctor, including isotretinoin, minocycline, etc. Oral hormonal medication can also be taken as prescribed by a doctor for those with severe symptoms, which can improve the symptoms of acne by regulating sebaceous gland secretion and inhibiting bacterial reproduction. Nodular acne on the chin can also be caused by other diseases, such as boils, which need to be treated with sensitive antibiotics and other medications. It is recommended to go to the dermatology department of the hospital to have a checkup in time, and to have a clear diagnosis and standardized treatment under the guidance of the doctor.