Pimples become hard bumps often caused by bacterial infection caused by the inflammatory reaction, can be treated by topical drugs, oral medication, physical therapy and other ways. 1. Topical medication: patients with acne into hard lumps is mostly by Staphylococcus aureus, Propionibacterium acnes and other bacterial infections, and the chronic inflammation caused by the delay, you can apply some fusidic acid cream, salicylic acid ointment or erythromycin ointment and other medications to treat. 2. Oral medication: If the patient’s external drug treatment is not effective, you can take oral doxycycline, clarithromycin and other antibiotics according to the course of treatment. 3. Physical therapy: If the pimples gradually proliferate to form scar nodules, external oral medication can be considered to assist fractional laser and so on. If the patient acne into hard pimples and symptoms are serious, it is recommended that the patient timely medical treatment, should be standardized under the guidance of the doctor medication to avoid adverse reactions.