Hard bumps like pimples may be acne, folliculitis and other diseases, it is recommended that patients go to the hospital in time to clarify the cause of the disease, and follow the doctor’s instructions to use Vitamin A acid, antibiotics and other drugs for treatment. 1. Acne: Acne is a common chronic inflammatory disease of the sebaceous glands of the hair follicles, which can appear as hard bumps like pimples. It can be treated with medications as prescribed by the doctor, commonly used medications include retinoids such as retinoic acid ointment, adapalene gel, or antibiotics such as fusidic acid cream, erythromycin ointment, etc. If necessary, oral doxycycline can be taken to treat acne. If necessary, oral doxycycline, minocycline and other drugs. 2. Folliculitis: Folliculitis is an inflammatory disease caused by bacterial infection, hard bumps like pimples may be caused by folliculitis. Folliculitis patients can follow the doctor’s instructions to use antibiotic drugs, including mupirocin ointment, fusidic acid cream and so on. If patients have hard bumps like pimples, patients should not blindly diagnose on their own, they should consult the doctor in time, ask the doctor to give a clear diagnosis, and actively cooperate with the doctor for treatment.